Soils Sentence Examples

soils
  • Many plants of peaty soils e sclerophylious.

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  • The soils of Florida have sand as a common ingredient.'

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  • Again, the well-known action of earthworms may be said to be a biological work; but the resulting aeration of the soil causes edaphic differences; and earthworms are absent from certain soils, such as peat.

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  • Halo phytes, or plants which live in saline soils, have xerophytic adaptations.

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  • Tobacco is most generally cultivated on loose red soils, which are rich in clays and silicates; and sugar-cane preferably on the black and mulatto soils; but in general, contrary to prevalent suppositions, colour is no test of quality and not a very valuable guide in the setting of crops.

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  • The following list, which is not exhaustive, furnishes material from which a selection may be made to suit various soils and situations.

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  • Flower-beds on light soils may be dug up so as to forward the work of the coming busy spring season.

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  • The well-known failures with rhododendrons, heaths, &c., in ordinary garden soils are also explained by the need of the fungus-infected.

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  • In this more general respect, an arboretum or woodland affords shelter, improves local climate, renovates bad soils, conceals objects unpleasing to the eye, heightens the effect of what is agreeable and graceful, and adds value, artistic and other, to the landscape.

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  • It was introduced into England by Philip Miller about 1 735, and is now common in parks and plantations, where it seems to flourish in nearly all soils.

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  • But it is worthy of special attention that the mere chemical composition of agricultural and garden soils is, as a rule, the least important feature about them, popular opinion to the contrary notwithstanding.

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  • Again, the temperature of the air is affected by radiation from the soil; and radiation differs in various soils.

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  • Xerophytes.Plants which grow in very dry soils; e.g., most hens, Ammophila (Psamma) arenaria, Elymus arenarius, Anasis aretioides, Zilla macro ptera, Sedum acre, Bupleurum spinosum, rtemisia herba-alba, Zollikofferia arborescens.

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  • It is possible, however, that the absence of sunken stomata, and the occurrence of some other halophytic features, are related merely to the succulent habit and not to halophytism, for succulent species often occur on non-saline soils.

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  • Other plants occur indifferently both on calcareous and on non-calcareous soils.

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  • The question of deep and shallow culture has been much discussed among planters without any conclusion applicable to all soils being reached.

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  • In this region the sandstone rocks are generally overlaid with heavy black soil formed from the decaying trap, which is principally devoted to the cultivation of the spring crops, wheat and grain, while rice and hill millets are sown in the lighter and more sandy soils.

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  • Metallurgical operations, such as smelting, roasting, and refining, were scientifically investigated, and in some degree explained, by Georg Agricola and Carlo Biringuiccio; ceramics was studied by Bernard Palissy, who is also to be remembered as an early worker in agricultural chemistry, having made experiments on the effect of manures on soils and crops; while general technical chemistry was enriched by Johann Rudolf Glauber.1

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  • Most of the rocks or soils composing its surface were formed as submarine deposits; the easternmost and southernmost parts are true river deposits.

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  • On drier and higher soils are the persimmon, sassafras, red maple, elm, black haw, hawthorn, various oaks (in all 10 species occur), hickories and splendid forests of longleaf and loblolly yellow pine.

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  • They do well in light, well-drained soils, and have a close family resemblance, the inflorescence being a panicle of white, drooping, tulip-shaped flowers, and the foliage rosulate, sword-shaped and spear-pointed.

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  • Transplant herbaceous plants in light soils, if not done in autumn; also deciduous trees, shrubs and hedges.

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  • Transplant all sorts of hardy evergreens and shrubs, especially in dry soils, giving abundance of water.

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  • Sandy soils are made thereby too dry and leachy, and it is a questionable proceeding to turn the heavy clays upon the top. Planters are, as a result, divided in opinion as to the wisdom of subsoiling.

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  • This knowledge is still lacking with regard to most of the cotton soils.

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  • In spite of the clean culture, good crops of cotton have been grown on some soils in the south for more than forty successive years.

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  • Deep residual clay soils derived from underlying limestones, and coloured red or black according to the predominance of oxides of iron or vegetable detritus, characterize the plains.

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  • It is invariably present in soils, where compounds are formed by nitrifying bacteria.

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  • Sometimes the vegetation, shrubs, trees, &c., as characteristic of certain soils, may furnish evidence as to rock or minerals below.

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  • It appears that with soils which are not rich in humus or not deficient in lime, calcium cyanamide is almost as good, nitrogen for nitrogen, as ammonium sulphate or sodium nitrate; but it is of doubtful value with peaty soils or soils containing little lime, nor is it usefully available as a top-dressing or for storing.

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  • It is found in the form of oxide (silica), either anhydrous or hydrated as quartz, flint, sand, chalcedony, tridymite, opal, &c., but occurs chiefly in the form of silicates of aluminium, magnesium, iron, and the alkali and alkaline earth metals, forming the chief constituent of various clays, soils and rocks.

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  • The soils overlying red sandstone rocks would be reddish and of a sandy nature, while those overlying chalk would be whitish and contain considerable amounts of lime.

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  • In many parts of the country soils exhibiting such relationships, and known as sedentary soils, are prevalent, the transition from the soil to the rock beneath being plainly visible in sections exposed to view in railway cuttings, quarries and other excavations.

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  • There are transported or drift soils, the particles of which have been brought from other areas and deposited over the rocks below.

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  • Perhaps the majority of drift soils, however, have been moved to their present position by the action of the water of rivers or the sea.

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  • A good soil should be deep to allow of extensive root development and, in the case of arable soils, easy to work with implements.

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  • This substance is present in practically all soils but in comparatively small amounts.

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  • Even in the soils which farmers speak of as stiff clays it is rarely present to the extent of more than I or 2%.

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  • From the above account it will be understood that not one of the four chief soil constituents is in itself of value for the growth of crops, yet when they are mixed, as they usually are in the soils met with in nature, one corrects the deficiencies of the other.

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  • Generally speaking, soils containing from 30 to 50% of clay and 50 to 60% of sand with an adequate amount of vegetable residues prove the most useful for ordinary farm and garden crops; such blends are known as " loams," those in which clay predominates being termed clay loalns, and those in which the sand predominates sandy roams. " Stiff clays " contain over 50% of clay; " light sands " have less than to %.

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  • This is the case in " puddled " clays, but in ordinary clay soils the excessively minute particles of which they largely consist tend to form groups of comparatively large composite grains and it is in such natural soils that the pore-space is largest.

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  • The sulphur exists in the soil chiefly in the form of sulphates of magnesium, calcium and other metals; the phosphorus mainly as phosphates of calcium, magnesium and iron; the potash, soda and other bases as silicates and nitrates; calcium and magnesium carbonates are also common constituents of many soils.

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  • Soils containing less than 25% of potash are likely to need special application of potash fertilizers to give good results, while those containing as much as.

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  • Similarly soils with less than i% of nitrogen are likely to be benefited by applications of nitrogenous manures.

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  • In the case of arable soils, where the amount of phosphoric acid determined by this method falls below 01%, phosphatic manuring is essential for good crops.

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  • The writer has found that many pasture soils containing less than.

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  • In soils where the potash available to citric acid is less than.

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  • Plants have been found to wither and die in sandy soils containing i a% of water, and in clay soils in which there was still present 8% of water.

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  • In the operation of ploughing the furrow slice is separated from the soil below, and although in humid soils this layer may be left to settle by degrees, in semi-arid regions this loosened layer becomes.

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  • The organisms do not carry on their work in soils deficient in air; hence the process is checked in water-logged soils.

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  • It is the business of the farmer and gardener to promote the activity of these organisms by good tillage, careful drainage and occasional application of lime to soils which are deficient in this substance.

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  • They can, however, only carry on their work extensively under anaerobic conditions, as in waterlogged soils or in those which are badly tilled, so that there is but little loss of nitrates through their agency.

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  • The bacterium, Clostridium pasteurianum, common in most soils, is able to utilize free nitrogen under anaerobic conditions, and an organism known as Azotobacter chroococcum and some others closely allied to it, have similar powers which they can exercise under aerobic conditions.

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  • The bacteria, which are present in almost all soils, enter the root-hairs of their host plants and ultimately stimulate the production of an excrescent nodule, in which they live.

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  • Carbonate of lime is also a constituent to a greater or lesser extent in almost all soils.

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  • In certain sandy soils and in a few stiff clays it may amount to less than 4%, while in others in limestone and chalk districts there may be 50 to 80% present.

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  • If applied in too great an amount to light soils and peat land it may do much damage by rendering them too loose and open.

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  • Generally speaking light poor lands deficient in organic matter will need the less caustic form or chalk, while quicklime will be most satisfactory on the stiff clays and richer soils.

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  • On the stiff soils overl y ing the chalk it was formerly the custom to dig pits through the soil to the rock below.

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  • Many soils of a light sandy or gravelly or peaty nature and liable to drought and looseness of texture can be improved by the addition of large amounts of clay of an ordinary character.

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  • S i milarly soils can be improved by applying to them marl, a substance consisting of a mixture of clay with variable proportions of lime.

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  • Even stiff soils deficient in lime are greatly improved in fertility by the addition of marls.

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  • It is best adapted for application to clays and fen lands and should not be practised on shallow light sands or gravelly soils, since the humus so necessary for the fertility of such areas is reduced too much and the soil rendered too porous and liable to suffer from drought.

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  • The carbon compounds of the latter are of no direct nutritive value to the succeeding crop, but the decaying vegetable tissues very greatly assist in retaining moisture in light sandy soils, and in clay soils also have a beneficial effect in rendering them more open and allowing of better drainage of superfluous water and good circulation of fresh air within them.

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  • In regard to water, all soils have two actions - namely, permeability and absorbability.

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  • The amount of moisture retained depends mainly upon the absorbability of the soil, and as it depends largely on capillary action it varies with the coarseness or fineness of the pores of the soil, being greater for soils which consist of fine particles.

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  • The results of many analyses show that the capacity of soils for moisture increases with the amount of organic substances present; decomposition appears to be most active when the moisture is about 4%, but can continue when it is as low as 2%, while it appears to be retarded by any excess over 4%.

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  • Above the level of the ground-water all soils contain air, varying in amount with the degree of looseness of the soil.

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  • Robertson has shown that the typhoid bacillus can grow very easily in certain soils, can persist in soils through the winter months, and when the soil is artificially fed, as may be done by a leaky drain or by access of filthy water from the surface, the microorganism will take on a fresh growth in the warm season.

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  • Speaking generally, clay soils retentive of moisture produce heavy-cropping tobaccos which cure to a dark brown or red colour.

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  • Sandy soils produce tobaccos with a thin leaf, curing to a yellow or bright red colour.

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  • Tobacco soils should be well drained and contain a Iarge percentage of humus.

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  • Italy produces two principal types, a dark, heavy Virginian tobacco on the heavy soils of northern Italy, and a Turkish type tobacco on the sandy soils of the southern part of the country.

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  • Except on extremely heavy soils or on shallow soils with a subsoil which it is unwise to bring upon the surface, the modern tendency is in favour of the digging plough.

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  • Disk ploughs are unsuitable for heavy sticky soils and for stony land, but may be used with effect on stubbles and on land in a dry hard state.

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  • The cedar flourishes best on sandy, loamy soils.

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  • In 1846 he began experiments on the temperature of the earth at different depths and in different soils near Edinburgh, which yielded determinations of the thermal conductivity of trap-tufa, sandstone and pure loose sand.

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  • The Coastal Plain has for the most part a light sandy soil, but there is a fertile alluvium in the river bottoms and good clay soils on some of the uplands.

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  • The eastern part of the Prairie Plains is a belt known as the Black Prairie, and it has a rich black soil derived from Upper Cretaceous limestone; immediately west of this is another belt with a thinner soil derived from Lower Cretaceous rocks; a southern part of the same plains has a soil derived from granite; in a large area in the north-west the plains have a reddish clay soil derived from Permian rocks and a variety of soils - good black soils and inferior sandy and clay soils - derived from Carboniferous rocks.

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  • The alluvial soil, composed of what has been washed from other soils, together with decayed vegetable matter, covers about 6% of the surface of the state and is found in the river bottoms, of greatest extent in that of the Missouri; it varies much in fertility.

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  • The best soils when abundantly irrigated yield from 50to 60-fold, and the water for this purpose is supplied by the innumerable streams which intersect the province.

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  • On rich soils the crop is liable to grow too rapidly and yield a"coarse, uneven sample, consequently the best barley is grown on light, open and preferably calcareous soils, while if the condition of the soil is too high it is often reduced by growing wheat before the barley.

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  • It will find sustenance equally on the driest of soils as on the fattest pastures; upland and fen, arable and moorland, are alike to it, provided only the ground be open enough.

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  • The soils of western Washington are chiefly glacial, those of eastern Washington chiefly volcanic. In the low tidewater district of the Puget Sound Basin an exceptionally productive soil has been made by the mixture of river silt and sea sand.

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  • In some soils foundations may be obtained by the device of building a masonry casing like that of a well and excavating the soil inside; the casing gradually sinks and the masonry is continued at the surface.

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  • Greenhow in 1858 stated that diphtheria was especially prevalent on cold, wet soils, and Airy in 1881 described the localities affected as " for the most part cold, wet, clay lands."

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  • Nor was the concentration of wealth the only danger of this policy; it led to the destruction of forests, the exhaustion of farming soils and the wasteful mining of coal and minerals, since the desire for quick profits, even when they entail risk to permanency of capital, is always a powerful human motive.

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  • West of the Missouri river the drift gives place to a fine soil of sand aid clay, with deposits of alluvium in the vicinity of streams. Though lacking in vegetable mould, these soils are generally capable of producing good crops where the water-supply is sufficient.

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  • The larger valleys of the Black Hills district contain fertile alluvial deposits washed from the neighbouring highlands, but in the plains adjoining these mountains the soils consist of a stiff gumbo suitable only for pasture land.

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  • The principal orchard districts are the valleys of the Darent and Medway, and the tertiary soils overlying the chalk, between Rochester and Canterbury.

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  • In this region the soils of sand and clay are much finer than the drift, and are very productive where the water-supply is sufficient.

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  • It is indigenous to the south of Spain and the north of Africa (where it is known as Halfa or Alfa), and is especially abundant in the sterile and rugged parts of Murcia and Valencia, and in Algeria, flourishing best in sandy, ferruginous soils, in dry, sunny situations on the sea coast.

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  • From this source all soils contain small proportions of sodium in soluble forms, hence the ashes of plants, although they preferably imbibe potassium salts, contain traces and sometimes notable quantities of sodium salts.

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  • There is a perfect cleavage parallel to the surface of the scales, and the cleavage flakes are flexible but not elastic. The material is greasy to the touch, and soils everything with which it comes into contact.

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  • The great variety of soils is one of the more marked features of Maryland.

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  • On the East Shore to the north is a marly loam overlying a yellowish-red clay sub-soil, to the south is a soil quite stiff with light coloured clay, while here and there, especially in the middle and south, are considerable areas both of light sandy soils and tidal marsh loams. On the West Shore the soils range from a light sandy loam in the lower levels south from Baltimore to rather heavy loarns overlying a yellowish clay on the rolling uplands and on the terraces along the Potomac and Patuxent.

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  • The soils of the Piedmont Plateau east of Parr's Ridge are, like the underlying rocks, exceptionally variable in composition, texture and colour.

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  • West of Parr's Ridge in the Piedmont, the principal soils are those the character of which is determined either by decomposed red sandstone or by decomposed limestone.

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  • In Hagerstown Valley are rich red or yellow limestone-clay soils.

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  • The Allegheny ridges have only a thin stony soil; but good limestone, sandstone, shale and alluvial soils, occur in the valleys and in some of the plateaus of the extreme west.

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  • Such potassiferous silicates are found in almost all rocks, both as normal and as accessory components; and their disintegration furnishes the soluble potassium salts which are found in all fertile soils.

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  • The best soils are the alluvium in the bottom-lands along some of the larger rivers and that of the Blue Grass Region, which is derived from a limestone rich in organic matter (containing phosphorus) and rapidly decomposing.

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  • The soils of the Highland Rim Plateau as well as of the lowland west of the Tennessee river vary greatly, but the most common are a clay, containing more or less carbonate of lime, and a sandy loam.

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  • On the escarpment around the Blue Grass Region the soils are for the most part either cherty or stiff with clay and of inferior quality.

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  • It is produced on light shallow soils overlying calcareous rock.

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  • It is an abundant cropper, sometimes attaining on low-lying soils 13 ft.

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  • Some harder varieties, known as stone osiers and raised on drier upland soils, are peeled and used for fine work.

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  • It is peculiarly adapted for peaty soils, and is accordingly a favourite crop in the fen lands of England, and on recently reclaimed mosses and moors elsewhere.

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  • Farther seaward, where the relief is less and the soils are richer, the surface is cleared and cotton is an important crop.

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  • A section of the coastal plain, from North Carolina to southern New Jersey, resembles the plain farther south in general form and quality of soils, but besides being narrower, it is further characterized by several embayments or arms of the sea, caused by a slight depression of the land after mature valleys had been eroded in the plain.

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  • The till is presumably made in part of preglacial soils, but it is more largely composed of rock waste mechanically comminuted by the crccpiiig ice sheets; although the crystalline rocks from Canada and some of the more resistant stratified rocks south of the Great Lakes occur as boulders and stones, a great part of the till has been crushed and ground to a clayey texture.

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  • The special features of the Gulf Plain are the peninsular extension of the plain in Florida, the belted arrangement of relief and soils in Alabama and in Texas, and the Mississippi embayment or inland extension of the plain half-way up the course of the Mississippi river, with the Mississippi flood plain there included.

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  • The land in this vast area varies in virginal fertility, but the best soils are very rich in the constituents of plant food.

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  • Shutt have proved that soils from the NorthWest Provinces contain an average of 18,000 lb of nitrogen, 15,580 lb of potash and 6,700 lb of phosphoric acid per acre, these important elements of plant food being therefore present in much greater abundance than they are in ordinary cultivated European soils of good quality.

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  • It flourishes in light soils and is one of the few trees that will grow amongst heather; owing to the large number of "winged seeds" which are readily scattered by the wind, it spreads rapidly, springing up where the soil is dry and covering clearings or waste places.

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  • North of the mineral region is the "Cereal Belt," embracing the Tennessee Valley and the counties beyond, whose richest soils are the red clays and dark loams of the river valley; north of which are less fertile soils, produced by siliceous and sandstone formations.

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  • Alluvial soils are almost invariably of great fertility; it is due to the alluvial mud annually deposited by the Nile that the dwellers in Egypt have been able to grow their crops for over 4000 years without artificial fertilization.

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  • Georgia is also notable for the variety of its soils.

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  • By far the greatest variety of soils is found in the Coastal Plain Region.

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  • The soft limestone underlying this region is covered, in the uplands, with grey, sandy soils, which have a subsoil of loam; in the lowlands the surface soils are loams, the subsoils clays.

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  • Here the prevailing soils are grey and sandy with a subsoil of loam, but they are less fertile than those of the Lime Sink or Cotton Belts.

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  • The wood of large trees is compact in texture, in the best varieties of a deep reddish colour varying to brownish-yellow, but apt to be lighter in tint, and less hard in grain, when grown in rich soils or in low sheltered situations.

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  • The soil of the Territory is almost wholly a decomposition of lava, and in general differs much from the soils of the United States, particularly in the large amount of nitrogen (often more than 1.25% in cane and coffee soil, and occasionally 2.2%) and iron, and in the high degree of acidity.

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  • Cotton and silk culture have been experimented with on the islands; and the work of the Hawaiian Agricultural Experiment Station is of great value, in introducing new crops, in improving old, in studying soils and fertilizers and in entomological research.

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  • Laureola, spurge laurel, a small evergreen shrub with green flowers in the leaf axils towards the ends of the branches and ovoid black very poisonous berries, is found in England in copses and on hedge-banks in stiff soils.

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  • In the Lawes Testimonial Laboratory there is a vast collection of samples of experimentally grown produce, annual products, ashes and soils.

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  • The greater richness of certain districts in the matter of species is partly due to the variety of soils encountered therein; but in part may be explained by the fact that these districts were the first to be freed from the ice-sheet at the end of the glacial period.

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  • Part I.-Principles Or Science Of Horticulture Horticulture, apart from the mechanical details connected with the maintenance of a garden and its appurtenances, may be considered as the application of the principles of plant physiology to the cultivation of plants from all parts of the globe, and from various altitudes, soils and situations.

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  • For the plum on loamy soils the plum, and on chalky and light soils the almond, are the most desirable stocks, and for the cherry on loamy or light rich soils the wild cherry, and on chalk the " mahaleb " stock.

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  • It is advantageous to possess a variety of soils; and if the garden be on a slope it will often be practicable to render the upper part light and dry, while the lower remains of a heavier and damper nature.

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  • Natural soils consist of substances derived from the decomposition of various kinds of rocks, the bulk consisting of clay, silica and lime, in various proportions.

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  • When the whole ground has been thus treated, a moderate liming will, in general, be useful, especially on heavy clay soils.

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  • Argillaceous or clay soils are those which contain a large percentage (45-50) of clay, and a small percentage (5 or less) of lime.

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  • These are unfitted for garden purposes until improved by draining, liming, trenching and the addition of porous materials, such as ashes, burnt ballast or sand, but when thoroughly improved they are very fertile and less liable to become exhausted than most other soils.

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  • Loamy soils contain a considerable quantity (30-45%) of clay, and smaller quantities of lime, humus and sand.

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  • Such soils properly drained and prepared are very suitable for orchards, and when the proportion of clay is smaller (20-30%) they form excellent garden soils, in which the better sort of fruit trees luxuriate.

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  • Manly soils are those which contain a considerable percentage (10-20) of lime, and are called clay marls, loamy marls and sandy marls, according as these several ingredients preponderate.

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  • The clay marls are, like clay soils, too stiff for garden purposes until well worked and heavily manured; but loamy marls are fertile and well suited to fruit trees, and sandy marls are adapted for producing early crops.

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  • Calcareous soils, which may also be heavy, intermediate or light, are those which contain more than 20% of lime, their fertility depending on the proportions of clay and sand which enter into their composition; they are generally cold and wet.

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  • Vegetable soils or moulds, or humus soils, contain a considerable percentage (more than 5) of humus, and embrace both the rich productive garden moulds and those known as peaty soils.

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  • The frame ground, including melon and pine pits, should occupy some well-sheltered spot in the slips, or on one side of the garden, and adjoining to this may be found a suitable site for the compost ground, in which the various kinds of soils are kept in store, and in which also composts may be prepared.

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  • They form, moreover, neat enclosures for the vegetable quarters, and, provided excess of growth from the centre is successfully grappled with, they are productive in soils and situations which are suitable.

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  • Peat soil is largely employed for the culture of such plants as rhododendrons, azaleas, heaths, &c. In districts where heather and gritty soil predominate, the peat soil is poor and unprofitable, but selections from both the heathy and the richer peat soils, collected with judgment, and stored in a dry part of the compost yard, are essential ingredients in the cultivation of many choice pot plants, such as the Cape heaths and many of the Australian plants.

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  • It is no doubt the finest stimulant for the growth of plants, and that most adapted to restore the fertile elements which the plants have abstracted from exhausted soils.

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  • It is most beneficial on cold stiff soils.

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  • Cow dung is less fertilizing than horse dung, but being slower in its action it is more durable; it is also cooler, and therefore better for hot dry sandy soils.

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  • The effects of bones are no doubt mainly due to the phosphates they contain, and they are most effectual on dry soils.

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  • Lime in the caustic state is beneficially applied to soils which contain an excess of inert vegetable matter, and hence may be used for the improvement of old garden soils saturated with humus, or of peaty soils not thoroughly reclaimed.

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  • It also improves the texture of clay soils.

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  • Gas lime, after it has been exposed to the air for a few months is an excellent manure on heavy soils.

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  • Sometimes in very favourable soils and with vigorous trees two pairs of branches may be obtained in one season by summerstopping the erect shoots and selecting others from the young growths thus induced, but more commonly the trees have to be built up by forming one pair of branches annually.

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  • The genus of the Evening Primrose, consisting of showy species, all of which grow and blossom freely in rich deep soils.

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  • It is probable that the coarser soils, permitting more rapid percolation, would generally give higher results.

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  • In any case, it is evident that the transmission of heat by percolation would be much greater in porous soils and in the upper layers of the earth's crust than in the lower strata or in solid rocks.

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  • On permeable soils, especially those of the terrace lands along the valleys, the soluble salts commonly known as alkali were gradually leached out and carried by the percolating waters towards the lower lands, where, reaching the surface, the alkali was left as a glistening crust or as pools of inky blackness.

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  • They resemble the erratic blocks which lost amid alien soils recall, where we find them, the geological conditions of earlier ages.

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  • The surface soils are composed of drift deposits, varying from 10 to 200 ft.

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  • Important influences in the agricultural development of the state have been the formation of Farmers' Institutes, organized in 1895, a Corn Breeders' Association in 1898, and the introduction of fertilizers, the use of which in 1899 was nearly seven times the amount in 1889, and the study of soils, carried on by the State Department of Agriculture and the United States Department of Agriculture.

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  • It thrives best in dry soils, and in height varies from 4 or 5 to 12, 15 or, in exceptional cases, as much as between 20 and 30 ft.

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  • The soils of Arkansas are of peculiar variety.

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  • Their poor soils are distinctively sandy, those of the lowlands clayey; but these elements are usually found combined in rich loams characterized by the predominance of one or the other constituent.

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  • This variety of soils, a considerable range of moderate altitudes and favourable factors of heat and moisture promote a rich diversity in agriculture.

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  • Sand and loams in great variety, grading from mere sand to adobe, make up the soils of the state.

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  • According to Evelyn (Sylva, p. 35, 1664), hazels "above all affect cold, barren, dry, and sandy soils; also mountains, and even rockie ground produce them; but more plentifully if somewhat moist, dankish, and mossie."

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  • It thrives most in a light loam with a dry subsoil; rich and, in particular, wet soils are unsuitable, conducing to the formation of too much wood.

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  • While some of the more arid districts have soils so strongly alkaline as to be practically unreclaimable, there are extensive areas of fertile lands which only require irrigation to make them highly productive.

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  • On the one hand there are churchmen who attempt to repeat the historical process which has naturalized Theories of the Church in alien soils by appropriating the forces meat.

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  • Marshy soils are found along the lowest portions of the Coastal Plain, and are exceedingly productive wherever reclaimed by draining, as in portions of the Dismal Swamp. Other portions of the Coastal Plain afford more valuable soils, sandy loams overlying sandy clays.

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  • The crystalline rocks of the Piedmont area are covered with residual soils of variable composition and moderate fertility.

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  • The same vine, exposed to practically identical conditions of climate, will produce markedly different wines if planted in different soils.

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  • The soils of the lowlands are prevailing sandy loams, with a covering of rich mould.

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  • In the plains where drainage is poor, especially in the S., the soils contain too much alkali; but in the highlands most of this has been dissolved and carried away by the rains, and the soils are well adapted for grazing grounds.

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  • Copper is widely distributed in nature, occurring in most soils, ferruginous mineral waters, and ores.

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  • The first step would be, to obtain seed from healthy trees growing in the coldest climate and at the greatest altitude in its native country, sowing these very largely, and in a variety of soils and situations, in a part of France where the climate is somewhat but not much more extreme.

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  • In the arctic zone they form to% of the flora; they will flourish in soils rich in humus which are too acid to support grasses.

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  • In England it grows well in sheltered situations and well-drained soils.

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  • Southern Austria and the adjacent countries are the natural habitats of this pine; it seems to flourish best on rocky mountain sides, but in England grows well on sandy soils.

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  • The pinaster grows naturally on sandy soils around the Mediterranean from Spain to the Levant.

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  • P. palustris (or P. australis) is the " Georgia pitch pine," or yellow pine of the southern states; it abounds on the sandy soils that cover so much of Georgia, the Carolinas, and Florida, and on those dry lands attains its highest perfection, though occasionally abundant on moist ground, whence its name.

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  • The wood of the white pine is durable for indoor use, especially when protected by paint, but when exposed to moist air it rapidly decays, and it is very liable to dry rot; it is said to be best when grown on sandy soils.

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  • In England where it is generally known as the " Weymouth pine," it succeeds well on deep light soils when well-drained; trees have attained occasionally a height of zoo ft.

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  • The tree abounds in some sandy districts, but more generally occurs singly or in small groups dispersed through the woods, attaining its greatest dimensions in light soils.

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  • The composition of the tubers evidently varies according to season, soils, manuring, the variety grown, &c., but the figures cited will give a sufficiently accurate idea of it.

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  • The potato thrives best in a rather light friable loam; and in thin sandy soils the produce, if not heavy, is generally of very good quality.

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  • Soils which are naturally wet and heavy, as well as those which are heavily manured, are not suitable.

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  • It thrives in most kinds of soils.

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  • The soils in the southern part of Arizona are mainly sandy loams, varying from light loam to heavy, close adobe; on the plateaus is what is known as " mesa " soil; and along the rivers are limited overflow plains of fine sediment - especially along the Colorado and the river Verde.

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  • These soils are in general rich, but deficient in nitrogen and somewhat in humus; and in limited areas white alkaline salts are injuriously in excess.

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  • Virgin soils are densely compact.

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  • There are in all cultivated soils forms of bacteria which are capable of forcing the inert free nitrogen to combine with other elements into compounds assimilable by plants.

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  • Except for the broad valleys of the Panhandle, where the soils are black in colour and rich in vegetable mould, the surface of the state is arid; the Snake river valley is a vast lava bed, covered with deposits of salt and sand, or soils of volcanic origin.

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  • South of this belt the soils are generally sandy and are not very fertile except at altitudes of less than 50 ft., where they are loamy and of alluvial origin.

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  • The volcanic rocks occur on the tableland of New South Wales, and contribute much to the fertility of their soils.

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  • The glaciation is also responsible for the poor soil of most of the state, for, although the rocks are the same crystallines which give good soils further south in unglaciated regions, all the decayed portions of the Maine rocks have been removed by glacial erosion, revealing fresh, barren rock over great areas, or depositing the rather sterile hard-pan as a thin coating in other places.

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  • Beginning with the middle of the 19th century, the increasing competition of the more productive soils of the West, the growth of urban population in the state, and the number of summer visitors effected the reforesting of much poor land and the more intensive cultivation of the better arable land.

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  • Here three layers of vegetable soil appear, proved by the objects imbedded in them to have been the successive surface soils in two prehistoric periods and in the Roman period, but now lying 4, io and 1q ft.

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  • The only British representative is Cynodon Dactylon (dog's tooth, Bermuda grass) found on sandy shores in the south-west of England; it is a cosmopolitan, covering the ground in sandy soils, and forming an important forage grass in many dry climates (Bermuda grass of the southern United States, and known as durba, dub and other names in India).

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  • Alkali soils are also common in the basins, but when water is available they can often be washed out and made productive.

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  • Very rich floodplain soils occur along the larger streams. Vast areas of unreclaimable desert exist in the west and south-east.

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  • In the protected valleys between the high plateaus alluvial soils are cultivated; but the plateau summits are relatively inaccessible, and, being subject to summer frosts, are not cultivated.

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  • Few states have so great a variety of soils.

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  • In lighter soils the depth, and proportionately the distance apart, is increased, but the drains are rarely more than 4 ft.

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  • This is easily effected in the case of soils tolerably free from stones by the use of draining spades and the tile-hook which are represented in the accompanying cut.

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  • The state has almost as great a variety of soils as of climate.

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  • In the Willamette Valley the soils are mostly clay loams, of a basaltic nature on the foothills and greatly enriched in the river bottom lands by washings from the hills and by deposits of rich black humus.

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  • In eastern Oregon the soils are of an entirely different type, being usually of a greyish appearance, lacking in humus, and composed of volcanic dust and alluvium from the uplands.

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  • At times, however, these salts are present in such excess as to render the soils too alkaline for plant growing.

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  • The Southdown, from the short close pastures upon the chalky soils of the South Downs in Sussex, was formerly known as the Sussex Down.

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  • These soils are all easily cultivated, free from stones, and exceedingly productive.

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  • This tree thrives best in moist soils, has a shrubby appearance, and grows under favourable circumstances to a height of 40 or 50 ft.

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  • Arthur Young, with whom he had corresponded years before on the mysteries of deep ploughing and fattening hogs, added a cogent polemical chapter to that ever admirable work, in which he showed that he knew as much more than Burke about the old system of France as he knew more than Burke about soils and roots.

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  • The finding of any traces of carbon dioxide in the gas between the first two boxes is generally the signal for a new clean purifier being put into action, and the first one shut off, emptied and recharged with fresh lime, the impregnated material being sometimes sold for dressing certain soils.

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  • Strong heavy clay soils, sandy and gravelly soils, are almost entirely absent; and the mixture of soil arising from the various stratifications and from the detritus carried down to the plains has created many districts of remarkable richness.

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  • In general the soils of the Piedmont Plateau region are such as have been formed by the disintegration of the underlying rocks.

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  • On the more level areas of the Piedmont Plateau the granitic soil is a grey mixture of sand and clay, but on the hillsides of the river basins it is a heavy clay of reddish colour, the sand having been washed down to form the soils of the Coastal Plain.

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  • The soils vary considerably, according to the geological formations; ten or twelve different kinds may be found in going across the country from east to west.

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  • Nine-tenths of the rainfall is absorbed by the loess and sandy soils, with only one-tenth being "run-off."

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  • The basis of the soils is sands (coarse, fine or silt); clay beds, though economically important, are in quantity relatively scant.

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  • In the Recent Tertiary period the soils of these plains and valleys have been greatly enriched by extensive outbursts of basalt with accompanying tuffs.

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  • We know little or nothing at present of the upland plants, or of those of dry or chalky soils.

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  • The soils, which are composed largely of sands, except in the upland valleys where alluvial loams with the sub-soils of clay are found, were not suitable for tillage.

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  • It is most frequent on mildly acidic soils of pH 5.0 to 7.0.

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  • Usually found on lowland woodland margins on slightly acidic soils.

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  • Testing the soil acidity Some soils are slightly acid, some are slightly alkaline.

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  • Summer is also the best time to see adders basking on the sandy soils of the heath.

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  • Wet woodlands comprise mainly alder, willow and downy birch growing on waterlogged or seasonally wet soils.

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  • However, it prefers slightly alkaline to neutral soils and does not thrive in acid or highly alkaline soils.

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  • Well-drained soils occur on the sandy and gravely material but more waterlogged soils are found on river alluvium and glacial clays.

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  • Scientists have modified a plant in the mustard family to remove arsenic from contaminated soils and store it in its leaves for easy disposal.

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  • Urea is used as a top dressing in Portugal, mainly calcareous soils.

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  • Prolific ash regeneration is found on very calcareous soils that are often very steep.

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  • However in very chalky soils, there may be problems associated with the excess lime locking up the nutrients.

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  • Planting in shallow chalk soils will cause chlorosis in time.

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  • Animations are used to illustrate the procedures in measuring cation exchange properties of soil colloids, in the Nutrient Cycling chapter of Oz Soils.

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  • Planting in machine cultivated ground Where heavy clay soils have been plowed to reduce compaction, ridges will be formed.

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  • The problem is worst where farmers grow crops on weak, unstable soils on slopes in areas of high rainfall.

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  • The soils in the mountains and highlands are rapidly degrading, while population pressure on the land is increasing just as rapidly.

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  • Soils with densely packed grains are strain softening because disturbance during sharing causes the grains to move apart causing dilation.

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  • The other UK EfW plants have recorded similar low dioxin emission levels - equivalent to existing, background dioxin levels in urban soils.

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  • It is often abundant on well-drained or even thin soils due to the ability to survive summer drought.

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  • Moles survive and thrive in virtually every part of the country, save only where acid soils contain no earthworms.

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  • Erica cinerea is generally confined to dry, acid mineral soils with low humus litter accumulation (Banister 1965 ).

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  • The acidic soils support sweet chestnut Castanea sativa, sessile oak Quercus petraea, and ash Fraxinus excelsior.

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  • For soils with higher soil fertility levels no potash required.

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  • It mainly grows on heavy clay soils, and favors disturbed ground, as well as the margins of arable fields.

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  • Natural soils have developed from a parent material consisting of glacial till derived from granite and granite gneiss.

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  • The Riesling grape is well adapted to well-drained poor soils, especially slate.

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  • Most of the Parks lies on light soils overlying gravel, limiting the range of plant material which can be grown.

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  • Secondly the soils are normally well graded giving a even spread of coarse gravel through to fine sands.

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  • Bracken loves acid soils hence its failure to overwhelm the limestone hills in the Yorkshire Dales in the same way it has in Cumbria.

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  • In Honduras, the mucuna bean has improved crop yields on steep, easily eroded hillsides with depleted soils [13] .

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  • The HOST classification makes use of the fact that the physical properties of soils have a major influence on catchment hydrology.

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  • Disparity of particle sizes following crushing has also been shown to relate to the strong hysteresis observed in unloading and reloading tests on soils.

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  • Removing the contaminated soils was technically impractical, and removing contaminated ground water did not address the source of the contaminants.

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  • Mineral concentrations were higher in organic soils whilst soil quality on conventional farms was significantly improved by the addition of organic fertilizer.

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  • A few bacteria isolated from these soils were able to grow on ferulic acid.

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  • Most garden soils contain plenty of nutrients, apart from nitrogen which is easily leached out of the soil.

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  • Hippocrepis comosa is a nitrogen-fixing legume and prefers soils that are deficient in nitrogen.

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  • It especially likes the deeper blacker soils that were created under long since vanished mixed oak woodland.

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  • This is a bright green liverwort that grows on bare peaty soils in lowland bogs and damp woodland and also on moist sandstone rocks.

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  • Dromius sigma is found on muddy or peaty soils near standing water in fens, lowland marshes, flooded quarries and gravel pits.

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  • Close to Kara Dag the soils are derived from the volcanic massif.

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  • Natural soils have a different microstructure or structure to soils that are reconstituted in the laboratory.

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  • During wet weather the clay soils can soon become churned by horses into a very glutinous mud.

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  • The fine agricultural soils are too valuable to include much ornamentation.

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  • Do you remember the parable of our Lord Jesus, the parable about the soils?

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  • Slowly permeable seasonally waterlogged clay soils over Tertiary clay (Windsor series ).

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  • In soils containing little phosphorus, plants with mycorrhizae have been shown to grow up to 20 times faster than those without.

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  • Peat, brown forest soil and peaty podzols derived from greywackes and shales are the major soils types in the Bladnoch catchment.

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  • Soils are mostly acidic podzols in different stages of developement.

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  • Action for low P & K fields NOW is the time to apply potash to improve low K soils.

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  • Soils and clays will tend to hold ground water, so will have a lower resistivity than rock or stone.

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  • New York was heavily glaciated in the ice age leaving much of the state with deep, fertile, tho somewhat rocky soils.

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  • The freely-draining limestone soils give rise to a canopy generally dominated by ash with hazel, and occasional rowan and holly in the understorey.

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  • The soils on the Triassic rocks are usually sandy and often pebbly.

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  • The new HE-VA MEGA DAN can be used for mixing soils before the plow or to create minimum tillage seedbeds.

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  • In clay soils this can cause shrinkage or swelling of the ground.

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  • The sandstone plateau around the hills gives rise to red, silty, loam soils over silty, loam soils over silty clays.

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  • In cohesive soils, loosen the soil in the sides and bottom of the pit with a spade or fork.

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  • The flowers grow up to 20cm in diameter with pink blooms in alkaline soils and blue blooms in acidic soils.

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  • Oospores germinate in wet soils to produce a sporangium which then rapidly differentiates to release zoospores.

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  • Members of this genus are common on arid soils of the western United States and of the Russian steppes.

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  • The parallel multiple striations are the gradiometer's response to plow furrows in the soils which have a locally high level of magnetic susceptibility.

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  • Eleven PhD studentships had been allocated to soils by the Agri-Food and Engineering and Biological Sciences Committees.

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  • For instance, light sandy topsoil on top of clay subsoil may result in boggy conditions where the two soils meet.

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  • Found in the forest understory, usually on limestone based soils.

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  • We want to improve iodine uptake from soils into crops and then into human food.

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  • In contrast to the surrounding clay vales, the acidic soils of the ridge support areas of heathland and mixed woodland.

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  • Away from the river, the clay is exposed with a large area of deep, heavy soils which are often waterlogged in winter.

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  • Castlemorton Common was probable left un-enclosed because its relatively poor soils and high water table made agricultural development difficult.

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  • Wet woodlands comprise mainly alder, willow and downy birch growing on waterlogged or seasonally wet woodlands comprise mainly alder, willow and downy birch growing on waterlogged or seasonally wet soils.

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  • The wooly willow is further restricted by its requirement for calcareous soils.

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  • Acidic soils however, will result in reduced yield.

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  • Ordinary soils will almost always provide the necessary chemical ingredients if of proper physical texture, depth, &c. (see FUNGI and BACTERIOLOGY).

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  • Trees, of which the young buds are nipped by frost, would frequently not suffer material injury, were it not that the small frost-cracks serve as points of entry for Fungi; and numerous cases are known where even high temperatures can be endured on rich, deep, retentive soils by plants which at once succumb to drought on shallow or non-retentive soils.

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  • Roots are often flattened, twisted and otherwise distorted by mechanical obstacles; stems by excess of food in rich soils, the attacks of minute parasites, overgrowth by climbing plants, &c. Leaves are especially apt to vary, and although the formation of crests, pitchers, puckers, &c., must be put down to the results of abnormal development, it is often difficult to draw the line between teratological and merely varietal phenomena.

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  • Halo phytes.Plants which grow in very saline soils; e.g., Tr-iglochin iritimum, Salicornia spp., Zygophyllum cornutum, Aster Tnhum, Artemisia maritima.

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  • Some such species are Blechnum boreale, Aira flexuosa, Calluna vulgaris, Vaccinium, Myrlillus, Rubus, Chamaemorus, Empetrum nigrum, Drosera spp. Some, at least, of these species possess mycorhiza in their roots, and are perhaps unable to live in soils where such organisms are absent.

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  • The latter is the first writer on botany, and his works also contain interesting remarks on manures, the mixing of soils and other agricultural topics (see also Geoponici).

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  • Incidentally there have been extensive sampling and analysing of soils, investigations into rainfall and the composition of drainage waters, inquiries into the amount of water transpired by plants, and experiments on the assimilation of free nitrogen.

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  • A typical course at one of the higher colleges lasts for two years and includes instruction under the heads of soils and manure, crops and pasture, live stock, foods and feeding, dairy work, farm and estate management and farm bookkeeping, surveying, agricultural buildings and machinery, agricultural chemistry, agricultural botany, veterinary science and agricultural entomology.

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  • In places suited to its growth it seems to flourish nearly as well as in the woods of Norway or Switzerland; but as it needs for its successful cultivation as a timber tree soils that might be turned to agricultural account, it is not so well adapted for economic planting in Britain as the Scotch fir or larch, which come to perfection in more bleak and elevated regions, and on comparatively barren ground, though it may perhaps be grown to advantage on some moist hill-sides and mountain hollows.

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  • The change takes place in two stages and is effected by two special groups of nitrifying bacteria, which are present in all soils.

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  • Glaciation has strongly scoured away the deeply-weathered soils that presumably existed here in preglacial time, revealing firm and rugged ledges in the low hills and swells of the ground, and spreading an irregular drift cover over the lower parts, whereby the drainage is often much disordered; here being detained in lakes and swamps (muskegs) and there rushing down rocky rapids.

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  • A belted arrangement of relief s and soils, resulting from differential erosion on strata of unlike composition and resistance, characterizes almost the entire area of the coastal plain.

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  • Between the "Cotton Belt" and the Tennessee Valley is the mineral region, the "Old Land" area - "a region of resistant rocks" - whose soils, also derived from weathering in situ, are of varied fertility, the best coming from the granites, sandstones and limestones, the poorest from the gneisses, schists and slates.

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  • Where there is complete freedom from stagnant water in the ground, and abundant room for the spread of its branches to light and air, the larch will flourish in a great variety of soils, stiff clays, wet or mossy peat, and moist alluvium being the chief exceptions; in its native localities it seems partial to the debris of primitive and metamorphic rocks, but is occasionally found growing luxuriantly on calcareous subsoils; in Switzerland it attains the largest size, and forms the best timber, on the northern declivities of the mountains; but in Scotland a southern aspect appears most favourable.

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  • Except for the willow-plots found along the rivers on the clay lands, nearly all the wood is confined to the sand and gravel soils, where copses of birch and alder are common.

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  • Moreover, nine-tenths of the rainfall is absorbed by the loess and sandy soils, only one-tenth being " run-off."

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  • The Agency have stated that they wish to encourage remediation of contaminated soils where it is the best environmental option.

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  • Also note that peas do suffer from root rots, especially in overly wet or poorly drained soils.

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  • Root rot is often a problem in wet soils.

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  • Soils are calcareous and several ruderal species are restricted or at their greatest abundance here.

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  • Sandy soils with low clay content will be most rapidly affected.

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  • Water must be displaced from saturated soils in order to reduce the volume of the voids.

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  • Current status The main habitat of the pale shining brown is scrubby grassland on light calcareous soils.

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  • The sandstone plateau around the hills gives rise to red, silty, loam soils over silty clays.

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  • The parallel multiple striations are the gradiometer 's response to plow furrows in the soils which have a locally high level of magnetic susceptibility.

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  • Radiometric data were also collected to map surficial rocks and soils, thus aiding geologic mapping of the basin fill.

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  • They will grow in heavier soils than many ferns, but do not thrive where moisture is denied them.

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  • It is more tolerant of dry soils than downy birch.

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  • Unimproved grasslands on neutral or acidic soils are likely to contain at least 12 species of vascular plant per meter square.

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  • Immediately fringing the tidal zone there may be sediments that have remained waterlogged since deposition and are classified as raw gley soils.

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  • The Scots pine forests gradually died out and broadleaved trees able to cope with the wetter soils became dominant.

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  • When your baby has a bowel movement and soils his diaper, this acid will eat away at baby's skin while bacteria can further irritate the area.

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  • No matter the supplier, their will be regional taste differences since the fruit will have been raised in different soils under a wide variety of conditions, with blossoms fertilized by a variety of bees.

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  • Try to add just one more room, and if she soils out of the box, confine her back to one room again and repeat the training.

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  • Alpina, angustifolia, Clusii, and Kochiana, which thrive best in calcareous soils, except the last, which requires a soil free of it.

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  • In England they thrive in a way on moist soils, but flower best in the limestone soils of Ireland.

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  • Most of these seem of easy culture, but the American kinds gradually perish on heavy, compact soils.

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  • Gritty, sandy, or peaty soils therefore suit them best-even marsh land, though saturated, is free in texture.

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  • The plan may be worth trying in certain soils with G. acaulis, where it fails to flower in borders.

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  • It is hardy in Britain, thriving in peaty or leafy soils in partial shade.

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  • With me G. nivalis grows freely in all soils and situations.

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  • In wet soils surround the bulbs with sand, and raise the beds above the level.

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  • They do best in rather poor soils and upon dry stony banks, growing rapidly and giving distinct effect both of leaf and flower.

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  • O. cheirifolia is a distinct Composite plant, with whitish-green tufts, 8 inches to 1 foot high, or on rich soils perhaps more.

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  • It is a spreading evergreen, flowering sparsely on heavy and cold soil, but on light soils often blooming freely in May; the flowers yellow, about 1 1/2 inches across, but not pretty.

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  • The rock garden and raised borders; supposed to require sunny positions, in sandy, well-drained soil, but I find it fine on stiffish cool soils.

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  • Bladder Senna (Colutea) - These cannot be called choice flowering shrubs, but they are very useful for poor hungry soils, particularly for dry sunny banks, where few other plants can exist; they are excellent, too, in smoky districts.

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  • It is among the prettiest of the half-hardy bedding plants, but is not so good on cold soils.

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  • On some warm or stony soils, and in districts near the sea where light soil prevails, it grows like a weed.

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  • Plumieri is a native of the Pyrenees, where it is 4 or 5 feet high, but in our borders and in deep strong soils it is frequently as much as 8 or 9 feet high.

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  • Found from the Greek Archipelago to Afghanistan, and hardy on dry soils.

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  • B. laxiflora is pretty, with pendent blue flowers; it grows very freely on sandy soils.

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  • While there are few soils in which it will not thrive, it prefers such as are light, with a warm gravelly subsoil.

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  • Brambles grow best in a wide range of soils but do best when planted on well-drained, deep, fertile soil that is high in humus . It requires full sunlight.

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  • Like the garden Raspberry, it sends up strong annual shoots, which in rich soils reach 6 feet, bearing scented leaves, the leaves and not the flowers being fragrant.

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  • It may be grown as an annual sown out of doors in spring, and autumnal-sown plants would be best in warm soils.

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  • It is a plant for the rock garden in free peaty soils.

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  • In some moist soils it thrives in the ordinary border.

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  • They are all low trees or large shrubs, coming into leaf early and losing their foliage in early autumn, especially in light or dry soils.

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  • There are many forms of this shrub, the best being that in which the leaves are broadly edged with silver; effective against a sheltered wall and in poor warm soils.

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  • It has not, however, the hardiness of the white kinds, and perishes on heavy soils in winter; on light sandy soils in the rock garden it is pretty.

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  • It is of easy culture, hardy in light soils, and valuable for bold groups in the mixed border, in the flower garden, or between choice shrubs and among hardy Fuchsias.

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  • If in strong or rich soils it spreads from the root and becomes rank, but in light dry soils and full sun it makes neat tufts of about 8 inches, hardy, and not troublesome.

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  • Caryopteris - C. mastacanthus is a small shrub with greyish foliage, distinct in habit, and with purple flowers, not quite hardy perhaps in all soils, but pretty on warm banks and in warm gardens.

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  • It would group well with the dwarfer shrubs, and in cool districts and on cool soils it will grow against warm walls.

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  • On warm soils it would come in well with borders of greyish plants, such as the Lavenders.

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  • It is already naturalised in parts of Britain, and is just the plant for a wild garden, in light and well drained soils.

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  • The Chestnut thrives best in airy and warm situations, and upon stony or free soils, not caring much for chalk or heavy soils.

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  • It is a rampant grower, and will take care of itself even in arable crops, but it dislikes heavy and cold soils.

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  • On dry soils, and if the winters be mild, they will live for two or three years.

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  • Both are suitable for warm spots in the rock garden in loamy soils, but C. sibirica, also a dwarf species with pink flowers, requires a damp peaty soil.

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  • But, in far less favoured places, it is often seen thriving for years in the open air, though it is not worth trying in cold, high, and inland places, especially on clay soils.

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  • Colletia - Curious shrubs of the Buckthorn order from Chili, some species of which are hardy enough for the open air in all but the coldest parts of the country, in free sandy soils.

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  • On warm soils it grows best and sows itself every year, surviving the winter, and growing much stronger.

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  • All the kinds are of the easiest culture in moist, loamy soils, the best kinds being hardy (at least, at the root), and growing again if cut down by frost.

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  • Crinum Crassifolium - Grows well in warm soils, such as in the Cambridge Botanic Garden.

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  • Dead Nettle (Lamium) - Perennial herbs of which there are a few plants occasionally worth a place in poor dry soils, where little else will grow-such as are found on dry banks or beneath trees.

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  • Though mostly treated as a half-hardy annual, the roots are perennial in the warm soils of southern gardens, spreading by stolons into handsome tufts.

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  • Of quick growth, they soon make a low round head, and thrive in all save wet soils.

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  • In all my ill-drained and clay soils they succeed quite well.

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  • It is poor on cold soils, and will probably not grow well north of London.

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  • The rock garden is most congenial to it; but it does very well on good level ground, though it is apt to get naked about the base, and may perish on heavy soils.

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  • Like many Cape plants, they are hardy on light and dry soils.

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  • Evening Primrose (Cenothera) - These are amongst the prettiest of hardy flowers, and are easily grown in all soils.

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  • In cold soils a good way is to sow in boxes and plant out when small near dwarf plants only.

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  • There are beautiful examples of it at Fota, Killerton, and other southern gardens, but its use is limited to these and sheltered coast gardens, and there it will thrive best on open free soils.

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  • Hardy on warm soils, but in others it should be planted on slopes, in very sandy dry soil, or on warm borders; the bulbs planted rather deep.

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  • It thrives in various soils, and under trees.

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  • It is a slow-growing plant in most gardens, though it is freer in some warm soils, and a very long-lived plant where it likes the soil.

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  • It grows 6 or 8 feet high in warm sandy soils, and, like the true Tamarisk, is a good shrub for dry banks where few shrubs would flourish.

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  • It is impatient of disturbance and abhors rich soils.

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  • They do not come well into the flower garden, as their season of bloom is not long, and it is therefore worth while naturalising them in free soils, and also using them as edgings in the flower garden.

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  • P. grandiflora is a handsome Siberian perennial, hardy in light dry soils, but impatient of damp and undrained situations, where its thick fleshy roots decay.

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  • In sheltered places and in warm soils these plants will pass the winter in the open, but they prove a little tender in many places, and the autumn-sown plants bloom earlier and more finely than those raised in heat early in the year.

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  • On dry sandy soils it forms an excellent border plant.

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  • In such soils, it is suited for the margins of beds of choice and dwarf shrubs.

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  • It is tender in many gardens, and especially in cold wet soils, but is useful for its brightness during summer when planted in May or June.

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  • The leaves turn a fine crimson-purple in autumn, and the plant will grow in dry rocky soils.

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  • Wayfaring Tree (Viburnum Lantana) - One of the two kinds native of Britain, and frequent in hedgerows and copses, especially in chalk or limestone soils.

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  • Its propagation is too easy, for in many soils it is said to split up into offsets instead of growing to a flowering size.

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  • A choice plant for the select bulb garden or rock garden, but dies out in heavy soil, thriving in calcareous soils.

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  • A border flower of the highest merit in favourable soils; occasional batches of seed should be sown to keep up a supply.

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  • It has rather a southern distribution, and therefore would be best, no doubt, in good warm soils in England.

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  • Homeria Collina - A choice bulbous plant from the Cape, thriving in such light southern soils as suit Sparaxis, Ixia, and the like.

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  • The bulbs increase rapidly in warm open soils, and they may be left in the ground with a covering of ashes in the south.

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  • Much used indoors; is seldom good in the open garden, partly because it does badly in heavy and poor soils.

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  • Bulbocodium, usually die out on deep richly manured borders, but frequently live on poor stony or sandy soils, on dry grassy banks, or amongst the roots on the sunny sides of hedges, shrubs, stone walls, and trees.

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  • It has lived on grass in peat, and, no doubt, could be naturalised easily enough on sandy peat soils which are wet in winter and spring and dry in summer and autumn.

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  • A double form, very handsome on warm soils, is known as Queen Annes Jonquil.

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  • Nearly all the golden kinds are robust and easily grown, and the bicolor group are even more so, but, speaking broadly, the delicate sulphur and white sorts are tender and unsatisfactory, except on the most favourable soils.

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  • Of Leeds' Silver Star forms the best are exquisite on good sandy soils, and their whiteness, delicate purity, and grace render them most acceptable as cut flowers.

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  • Meconopsis Heterophylla - The only kind found in America, where it grows over a wide area but is nowhere abundant, thriving best in the light, dry soils of California.

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  • In cool soils and districts in England the growth of Cannas is so poor and uncertain that, compared with beautiful hardy plants, they are really not worth a place.

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  • For treatment we can only say warm walls or sunny positions in open welldrained soils.

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  • A native of Buenos Ayres, it is somewhat tender, only succeeding in light warm soils in sheltered situations, and is best close to the foot of a south wall in warm loamy soil.

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  • Ipomopsis - Graceful biennials from California, thriving in light, dry, and warm soils in the milder districts.

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  • On light soils early autumn-sowing should be tried.

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  • England. It is quite free in our Sussex soils.

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  • All do best in light open soils and in full sun, and all are of fine habit without much pruning, though they will bear this if necessary and make thick, handsome hedges.

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  • Jerusalem Sage (Phlomis Fruticosa) - A shrubby kind, hardy in warm dry soils, with evergreen stems at times reaching 6 to 8 feet, but mostly 3 or 4 feet high, and clothed with evergreen woolly-grey leaves of wrinkled texture.

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  • Newly reintroduced, doing best in light soils and in warm gardens near the sea.

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  • Phlomis Samia - For warm soils, free in its pale yellow and orange flowers, sometimes shading to pink.

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  • Phlomis Tuberosa - In good soils, 3 to 5 feet, with handsome dark-green leaves and dense whorls of rosy-purple flowers in summer, partly fringed with white hairs.

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  • It is a tuberous-rooted species, hardy and free at least on warm soils.

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  • It should be grown in sunny nooks in the rock garden, or on sheltered banks or borders, but always in light, warm, or chalky soils.

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  • They do well in the rock garden or border, in open sandy soils.

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  • In light dry soils early autumn sowing is recommended, sufficiently early to permit the young plants to attain some size before the setting-in of winter.

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  • Fair success, however, may be looked for, especially in good soils, where spring sowing will often yield excellent results, while the advantages of autumn sowing are best seen in light sandy soils.

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  • All of these thrive in borders of peaty soil, but they grow slowly on certain loamy soils, living perhaps, but never showing the freedom and grace which they do on peaty soils.

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  • Sternbergia Lutea - The great autumn Daffodil of Parkinson, it is a very pretty hardy plant, best on warm gravelly soils.

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  • All the plants of the fulgens group show their great beauty only on peaty or deep leafy and moist soils; often on loamy soils the growth is short and weak, the flowers poor, and under such conditions they may not be worth growing.

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  • This trunk never rises, but creeps along the ground, its underground rhizomes freely giving off young plants in rich open soils.

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  • American and European species are hardy as forest trees, and thrive in almost any soil, but the Southern American and Japanese kinds want warmer soils to thrive in our climate.

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  • Excepting the Mexican species, which are few, Calochorti are hardy; but my experience is that unless on very warm soils their culture is precarious in England, and no wonder, considering they come from one of the most genial climates.

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  • In the soils in which they naturally grow there is as much diversity.

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  • It is a hardy perennial in light warm soils, and is a good border plant.

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  • It is hardy, and perennial on most soils, and is easily propagated by cuttings or division in autumn or spring.

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  • It is fast-growing, the flowers a lovely contrast to the deep rich green foliage, best in free, warm soils; in the north and Midlands against walls.

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  • They will not thrive in stiff or chalky soils.

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  • Mountain Sweet (Ceanothus) - Beautiful shrubs of the Buckthorn family, some hardy enough on light soils in sunny places to endure our climate, even as bush plants, though the majority form good wall plants.

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  • It succeeds best in light soils, and is easily increased by seeds, layers, or cuttings of the ripened shoots in autumn.

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  • Usually 3 to 5 feet in height, but in good soils and in sheltered places it makes a bush 8 to 10 feet high, and as much through.

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  • Light loamy soils in warm well-drained situations.

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  • The peony revels in the deepest and richest of soils, and once well planted is good for a dozen years without disturbance.

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  • Tree Paeonies are not particular as to soil or position, they grow and flower well in chalky soils, or those of good sandy loam.

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  • The hardiest of the other species are P. parviflorum, littorale, and rotatum, but these only succeed on warm soils in mild localities, and are best in a frame or a cool greenhouse.

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  • Asia, it is hardier than the Chinese plant, but does not bloom freely in cold soils.

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  • It is none the less a pretty little alpine plant, forming on level soils carpets almost as smooth as velvet, starred in early summer with little white flowers.

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  • It is hardy in light warm soils, and is used for covering trellises.

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  • Persimmon (Diospyros) - Trees from China and Japan which, in our warm counties, appear to be hardy, but do not often produce fruits except in warm soils in the best conditions.

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  • It is easily grown and showy, and could be naturalised, especially on sandy and free soils.

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  • Europe generally, it is a noble tree in the southern parts of England, attaining its best size, height, and form in good valley soils, and there are many fine examples of it in the Thames Valley.

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  • It is hardy over a great part of Britain, easily suited as to soils, and readily transplanted.

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  • The plant needs the same treatment as Tigridias, and is so beautiful that when better known it will be much grown in light warm soils.

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  • Prairie Clover (Petalostemon) - Pretty clover-like perennials, mostly from the western states of America, and not much grown, though well worthy of cultivation in warm open soils, coming readily from seed.

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  • As a border plant it does not grow so freely in cold clayey soils as in warm soils.

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  • The Darmstadt collection fills a large rock garden formed of limestone blocks, and Dr Purpus considers the use of limestone essential for these plants, all being found on soils of this nature.

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  • They succeed well, however, in stiffer soils, such as clay and limestone marl, especially if given a little good soil at the outset, and soon make dense masses, spreading by suckers.

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  • They grow fairly well even in shade, but fruit less freely, and only fail in hot, sandy, or chalky soils, or where there is much lime.

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  • Prickly Poppy (Argemone) - Handsome Poppy-like plants, said to be perennial, but perishing on moist soils after the first year.

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  • It is a most desirable plant, thriving best in light warm soils, and is suited either for the rock-garden or dry banks.

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  • These grow about 4 feet high, and are best in rather poor soils, but are not particular, doing well almost anywhere, and also in shallow water.

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  • Few are very effective for gardens; some are brilliant border or rock plants, thriving in warm soils.

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  • Rose Campion (Agrostemma) - A. coronaria is a beautiful old flower, of the Pink family, hardy and free, most at home in chalky and dry soils.

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  • It is biennial and often perishes on some soils.

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  • Burnet Rose (A Rose Selection Spinosissima) - A pretty native Wild Rose, which will grow and flourish in the lightest and hottest of soils, where many Roses fail.

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  • There they are at home among the most vigorous growers, as they thrive and flower freely on the worst clay soils.

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  • It forms tufts a few inches high, does best on poor soils, and thrives without particular care.

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  • It succeeds well in various soils, as described, and is hardy.

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  • Does not thrive in some soils; best in deep soil, and with abundant moisture.

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  • Cephalonian Fir (Abies Cephalonica) - A vigorous Fir of about 60 feet high, hardy in this country in a variety of soils, best planted in a high position to prevent it starting into growth too early.

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  • The Snowdrop Tree is very slow, and grows and flowers badly on heavy, cold soils; on free, sandy loams it grows freely and flowers abundantly, and in that case is the most beautiful of flowering trees.

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  • The tree is as yet far from common, and the best way at first is to group it with the American shrubs in peaty and free soils.

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  • Spignel (Meum) - M. athamanticum is a graceful fine-leaved perennial, dwarf in habit, 6 to 12 inches high, free in ordinary soils, and hardy.

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  • In light soils the plants will stand an ordinary winter, but they are safer in a frame, but like most tap-rooted plants, they do not bear moving well, except while small.

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  • Spruce Fir (Picea) - Usually stately evergreen cone-bearing trees of the northern world and mountains, including among them the common Norway Spruce and the Douglas Fir, usually doing best in moist valley soils.

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  • It should be planted only where the soil and situation are suitable, and not in exposed places, as it thrives best in sheltered valleys or woods, but it will live in various soils.

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  • In a damp climate where the soil is deep and moist it thrives but in dry soils soon in a wretched condition.

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  • It grows well and rapidly with me, and is the best of trees for wet soils.

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  • It is very hardy, and thrives best in moist soils.

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  • It grows freely in good warm soils, but from its late season it does not always bloom well.

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  • These shrubs succeed best in a deep light loam, and will thrive on chalky soils much better than many other evergreen shrubs.

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  • The Sumachs are not difficult as to soil or cultivation, thriving in ordinary garden soils, and rather enjoying poor and dry soils, some of them being suitable, therefore, for grouping on dry banks where little else will grow.

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  • Rhus Osbeckii - A fine kind from China and Japan, with pinnate leaves much finer than the others, striking foliage, also turning in good seasons and soils a good orange color in autumn.

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  • It is a vigorous plant, especially in light soils, and is hardy, but is little known outside botanical collections.

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  • I find our native Sweet Gale free and vigorous in stiff soils where few things grow well.

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  • It spreads freely in sandy soils, and may be increased by layers, suckers, or seeds.

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  • It would probably attain a greater stature in river-side soil in a warmer country than ours, the best trees in its native country growing in rich moist soils.

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  • A deep loamy soil, not too heavy, is the most suitable, but very satisfactory results may even be obtained by deep digging and liberal manuring in poor soils.

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  • It is a very striking plant for the bold rock garden, and it does well and flowers freely on dry slopes in light warm soils, and in open sunny positions.

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  • They are most useful on warm soils, and should always be placed in open sunny spots and among dwarf plants.

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  • It grows almost anywhere, but prefers dry, calcareous soils.

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  • In rich light soils they give little trouble; in clay soils where the drainage is less under control they are apt to fail, but we have seen them thrive in poor clayey soil if not wet.

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  • In badly-drained soils it is best to grow them in raised beds of good soil.

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  • Though fully hardy with us, it grows slowly and only thrives in moist open soils rich in humus.

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  • Where Rhododendrons do well the Sciadopitys also flourishes, but it fails completely on wet heavy soils and on those that are poor and dry, and until established is much tried by cold winds.

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  • It is apt to perish in some heavy soils, and thrives best in peaty ones.

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  • It is valuable for such positions, particularly on hot gravelly or chalky soils.

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  • It is hardy in Britain, thriving best in sandy soils beside water, but it will grow almost anywhere except in hot, dry places.

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  • Division. These plants do best in moist half-shady places in the wild garden, rarely attaining their full beauty in dry sun-scorched soils.

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  • At certain times and in certain soils the sepals are flushed with rose-color.

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  • In sandy soil it is perennial, but on heavy and damp soils must be grown as annual or biennial.

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  • We may therefore enjoy it without giving it positions suited for more delicate plants, or taking any trouble about it, but it is more vigorous on chalky or warm soils, and dwindles on some cold soils.

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  • In light or warm soils in the south it thrives as a bush, needing no pruning or other care; best on a sunny bank.

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  • They grow best in moist alluvial soils, and are well adapted for avenues and roadsides.

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  • The fine individual trees in various parts of Britain show the Zelkowa to be well suited to our climate, and we could wish that it was more used by planters, especially for wet soils, being remarkably free from insects and disease.

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  • The weeping willow will grow in acid or alkaline soils with any textures from sand to loam to clay.

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