Top-dressing sentence example
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.
It has been found by experiment that the nitrogen needed by practically all farm crops except leguminous ones is best supplied in the form of a nitrate; the rapid effect of nitrate of soda when used' as a top dressing to wheat or other plants is well known to farmers..
The plant grows freely in good garden soil, preferring a deep welldrained loam, and is all the better for a top-dressing of manure as it approaches the flowering stage.
Malt-dust is an active manure frequently used as a top-dressing, especially for fruit trees in pots.
Gypsum, or sulphate of lime, applied as a top-dressing at the rate of 2 to 3 cwt.Advertisement
Soot forms a good top-dressing; it consists principally of charcoal, but contains ammonia and a smaller proportion of phosphates and potash, whence its value as a manure is derived.
It is used as a top-dressing sown by the hand.
In the broad river basins the inundations deposit annually a fresh top-dressing of silt, thus superseding the necessity of manures.
Thousands of square miles in Lower Bengal annually receive a top-dressing of virgin soil from the Himalayas, - a system of natural manuring which renders elaborate tillage a waste of labour, and defies the utmost power of over-cropping to exhaust its fertility.
Urea is used as a top dressing in Portugal, mainly calcareous soils.Advertisement
Use a top dressing of granular fertilizer in Spring, followed by a liquid feed once week during the main growing season.
What I DO notice is that roads with a coarse, or damaged, top dressing can induce pronounced high-frequency vibration.
Plant them in fibry loam and tough and fibry peat, with a liberal admixture of leaf-mould and well-decayed woody matter, to which add a thin top-dressing of similar material every autumn.
Preparing the bed the old-fashioned way is a lot of work, but a well-made bed will grow delicious asparagus for fifty years with only annual top-dressing and hand cultivation.
A top dressing of mulch helps preserve moisture and prevent freezing and thawing of the soil near the roots during the winter months.Advertisement
Diana Loring of the Sunnyvale Organic Garden Center suggests top dressing your garden with greens at a rate of 80 pounds per 1,000 square feet in the heavy clay soils of North Texas.