The ditches of Sung-Shu and Erh-Lung were partially filled.
The main ditches, or canals, afterwards also serve as a means of navigation.
The ditches may be filled in one or other of several different ways.
To increase the reservoir capacity of the polder, as well as to conduct the water to the windmills or engines, it is intersected by a network of ditches cut at right angles to each other, the amount of ditching required being usually one-twelfth of the area to be drained.
In the case of small plantations the difficulties of adjusting a right-of-way for outlet ditches have interfered seriously with this plan.
The construction of irrigation canals and ditches was for the most part brought about by farmers joining to plough out or dig ditches from the rivers, descending on a gentle grade.
In the ordinary English system of upward or drainage irrigation, ditches are dug all round the field.
The nature of the breeding-place varies greatly according to the species, and while many of the mosquitoes that infest houses will breed even in the smallest accidental accumulation of water such as may have collected in a discarded bottle or tin, the larvae of other species less closely associated with man are found in natural pools or ditches, at the margins of slow-moving streams, in collections of water in hollow trees and bamboo-stumps, or even in the water-receptacles of certain plants.
Long ditches with stone-paved sluices for washing this mineral-bearing material have long been used by the Indians, who also construct stone bars across the beds of the streams to make riffles and hold the deposited grains of gold.
The Japanese and Koreans, and in less measure the Chinese, act as domestic servants, work under white contractors on irrigating ditches and reservoirs, do most of the plantation labour and compete successfully with whites and native islanders in all save skilled urban occupations, such as printing and the manufacture of machinery.
In the ditches and pools common yellow and white water-lilies are seen, as well as water-soldier (Stratiotes aloides), great and lesser reed-mace, sweet flag and bur-reed.
The water should be made to run completely off and the ditches should become dry before the influx of the next tide, otherwise the silt will not incrust and the tide not have the same effect.
It grows in marshes, ditches, pools and drains in meadows, and sometimes obstructs the flow of water with its dense matted roots.
He was exceedingly fond of horses and hunting, leaping ditches prudently avoided by the foreign ambassadors.
The upper town is built on seven hills, each crowned by a church, while the lower, still partially surrounded by walls and ditches, is divided by the river and Ludwigskanal into three districts.
3, the true bulrush, occurs in lakes, ditches and marshes; it has a spongy, green, cylindrical stem, reaching nearly an inch in thickness and 1 to 8 ft.
M.), distributing canals, and drain ditches was also projected, making it possible to reclaim 231,300 acres of the desert.
Before the close of the 18th century, and during the first quarter of the 19th, a good deal had been done in the way of draining the land, either by open ditches or by James Elkington's system of deep covered drains.
On the better farms this is done with a spirit-level or compass from time to time and hillside ditches put in at the proper places.
In front of the castle proper are three ditches, the innermost of which can be reached from the interior of the castle by a complicated system of underground passages.
Floods must be provided with channels of sufficient size to carry them safely past the mine openings, and intercepting ditches should be excavated for this purpose, and dams and embankments constructed to divert the flood waters.
The clay is dug from the land or from ditches or pits and placed in heaps of 60 to ioo loads each, with faggot wood, refuse coals or other fuel.
Of military antiquities the most remarkable are Tyrone's ditches, near Poyntzpass; and the pass of Moyry, the entry into the county from the south, which was fiercely contested by the Irish in 1595 and 1600, is defended by a castle.
Down, Ireland, about 1836, and appeared in England in 1841, spreading through the country in ponds, ditches' and streams, which were often choked with its rank growth.
Mexico was formerly one of the worst drained large cities of the New World, its subsoil being permanently saturated and its artificial drainage being through open ditches into the San Lazaro Canal which nominally discharged into Lake Texcoco.
The forget-me-not, a favourite with poets, and the symbol of constancy, is a frequent ornament of brooks, rivers and ditches, and, according to an old German tradition, received its name from the last words of a knight who was drowned in the attempt to procure the flower for his lady.
Of irrigation canals and large ditches in the state; the irrigated acreage had increased from 350,582 acres in 1889 to 951,154 acres in 1899, when about 84% of the irrigated area was in the south-west.
They are for the most part marine in habitat, but a familiar fresh-water form is the common Hydra of ponds and ditches, which gives origin to the name of the class.
It is made sufficiently strong to bear the weight of the animals, which are confined within their bounds by undercut overhanging ridges, and by deep and wide ditches, masked by rockwork.
One of these ditches can be traced over 2 m.
The most fertile districts lie on the banks of the Elbe and near the North Sea, where, as in Holland, rich meadows are preserved from encroachment of the sea by broad dikes and deep ditches, kept in repair at great expense.
4 These and other title-holders received corresponding rights to the use of irrigation ditches, and to fish in certain sea areas adjacent to their holdings.
Some of the old fortifications of the town remain, but the ramparts and ditches have been laid out as promenades.
The level at which it is desired to keep the water in these ditches constitutes the unit of water measurement for the polder, and is called the polder's zomer peil (Z.P.) or summer water-level.
The water flows from the ditches as conductors into built conduits formed at right angles to them in parallel lines through the fields; it rises upwards in them as high as the surface of the ground, and again subsides through the soil and the conduits into the ditches as main drains, and thence it passes at a lower level either into a stream or other suitable outfall.
The greater part of these lands was irrigated by canals or ditches built by individuals acting singly or in co-operation with their neighbours, or by corporations.
The cost of bringing water to the land averaged about $8 per acre where the ordinary ditches were built.
Fortification was well understood, as may still be seen in the remains of walled and escarped strongholds on hills and in steep ravines, while lagoon-cities like Mexico had the water approaches defended by fleets of boats and the causeways protected by towers and ditches; even after the town was entered, the pyramid-temples with their surrounding walls were forts capable of stubborn resistance.
318 ff.) which controlled the floods and filled the ditches and moats of Nineveh.
The ancient walls and ditches, which formerly environed the city, were dismantled between 1881 and 1885, and the site of the old fortifications, bought from the government by the municipality, were converted into a fine boulevard, the Ring, nearly 4 m.
The national and state governments had not built any works of reclamation excepting where the federal government, through the Indian department, had constructed irrigation ditches for Indian tribes, notably the Crow Indians of Montana.
(The architect being at that time also the contractor.) The chapters are -- (1) on various machines, such as scaling-ladders, windmills, &c.; (2) on windlasses, axles, pulleys and cranes for moving heavy weights, such as those used by Chersiphron in building the great temple of Diana at Ephesus, and on the discovery by a shepherd of a quarry of marble required to build the same temple; (3) on dynamics; (4) on machines for drawing water; (5) on wheels for irrigation worked by a river; (6) on raising water by a revolving spiral tube; (7) on the machine of Ctesibius for raising water to a height; (8) on a very complicated water engine, the description of which is not intelligible, though Vitruvius remarks that he has tried to make the matter clear; (9) on machines with wheels to register the distance travelled, either by land or water; (10) on the construction of scorpiones for hurling stones; (11) and (12) on balistae and catapults; (13) on battering rams and other machines for the attack of a fortress; (14) on shields (testudines) to enable soldiers to fill up the enemy's ditches; (15) on other kinds of testudines; (16) on machines for defence, and examples of their use in ancient times.
These draining ditches all have their issue in a main drainage canal, along which the transport of the peat and peatlitter takes place and the houses of the colonists are built.
The remains of the acropolis fortifications are very interesting, including roads and ditches hewn in the rock; but beyond ruins of two churches and a fine tower built by Thoros I.
Other British representatives of the order are: Iris Pseudacorus, (yellow iris), common by river-banks and ditches, I.
Then came innumerable varieties of manual work for the erection and keeping up of hedges, the preservation of dykes, canals and ditches, the threshing and garnering of corn, the tending and shearing of sheep and so forth.
The strong fortifications which, with ramparts, bastions and wet ditches, formerly entirely surrounded the city, were removed on the north and west sides in 1895-1896, the trenches filled in, and the area thus freed laid out on a spacious plan.
The plant has a wide distribution, growing in wet situations in the Himalayas, North America, Siberia and various parts of Europe, including England, and has been naturalized in Scotland and Ireland., Though regarded as a native in most counties of England at the present day, where it is now found thoroughly wild on sides of ditches, ponds and rivers, and very abundantly in some districts, it is probably not indigenous.
The works had no deep ditches or sunk wire entanglements.
Of sea-level; the seaward edge in many places is below the level of high tide, and is protected by dykes as in Holland, while straight canals and ditches carry the sluggish drainage from the land.
The roads were until then, as a rule, merely tracks, deeply worn by ages of traffic into the semblance of ditches, and, under adverse weather conditions, impassable.
The entrenchments surrounding this building covered some 60 acres of ground, and included a number of detached houses and buildings, knit together by ditches and stockades.
Mediterranean plant which spreads to the south of England, where it is sometimes found in gravelly ditches and pools.
2), a common plant in Britain (except in the north) in ditches and edges of streams, is widely distributed in the north temperate zone, and is found in the Himalayas, on the mountains of tropical Africa and in Australia.
Wide, and well shaded with trees planted along irrigating ditches, fed by mountain streams. Brigham (or South Temple) Street is a fine boulevard running 3 m.
There was no more wayside preaching, but instead there were conventicula occulta in houses, in peasants' huts, in sawpits and in field ditches, where the Bible was read and exhortations were given, and so Lollardy continued..
The sweet-flag Acorus Calamus, which occurs apparently wild in England in ditches, ponds, &c., is supposed to have been introduced.
It is found in pools and ditches in the British Isles, and is widely distributed in the north temperate zone.
I am not saying if you love digging ditches, you should do something else.
The old prince used to approve of them for their endurance at work when they came to Bald Hills to help with the harvest or to dig ponds, and ditches, but he disliked them for their boorishness.
Picturesquely situated on the slope of a hill, the town has remains of ramparts of the 12th and 13th centuries, with ditches hewn in the rock, and several medieval buildings.