... Limestone and chalk are usually rich in lime and phosphates, but deficient in humus, silica, sulphur, and alkalies. Sandy soils are rich in silica, but are generally poor in respect of phosphates and alkalies ...
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Results for soil ph and lime across depots, public-domain books and formula indexes.
... lime, is not due to the phosphate of lime which it contains, unless we are to conclude that the sulphate of ammonia rendered the phosphate of lime in the soil more readily soluble, and ...
The phosphate of lime in bones is insoluble in water, though rain water containing carbonic acid, and the water in soils, slowly dissolve it. By treating the bones with sulphuric acid, the phosphate of ...
... been towards a more liberal and direct use of ammonia and phosphates in manures, rather than to develop them out of the soil by the use of lime. A judicious combination of the two ...
... soils is some form of phosphorus: The difference in the chemical composition of arid and humid soils is perhaps shown nowhere better than in the lime content. There is nearly eleven times more lime ...
... of phosphoric acid, four per cent. of soda, forty-eight per cent. of potash, and fifteen per cent. of lime. It is evident that we cannot expect to grow a Cabbage on a soil ...
... of lime; 210 lbs. of magnesia; 420 lbs. of phosphoric acid; 105 lbs. sulphuric acid; 2,655 lbs. of silica, and 60 lbs. of chlorine. “Put the figures side by side,” said the Deacon ...
... Bone meal or rock phosphate 1 part by volume: Lime, preferably dolomite on most soils. (Soils derived from serpentine rock contain almost toxic levels of magnesium and should not receive dolomite. Alkaline soils may ...
... and phosphates, whether from farmyard manure or artificials, sandy soils become highly productive of Potatoes of the very finest quality. On the other hand, Potatoes also grow well on limestone and chalk, and yet ...
... not that soils have “absorptive properties”--that has been long known--but that they absorb ammonia, potash, phosphoric acid, etc., by virtue of the double silicate of alumina and soda, or lime, etc., which ...
... It may be briefly described as a stiff clay soil, containing a sufficiency of lime, potash, and phosphoric acid, to meet all the requirements of the clover-crop. Originally, rather unproductive, it has been ...
... Not only are mineral constituents, in forms available for assimilation, supplied, but soils so treated derive peculiar advantages as regards their mechanical state and improved physical conditions, chiefly in respect of retention of moisture ...
... one acre, thus contain a large amount of nitrogen, and remove from the soil an enormous quantity of mineral matters, abounding in lime and potash, and containing also a good deal of phosphoric acid.
... phosphoric acid and potash. Lime.=--Lime is used on the land not for its direct results as a fertilizer, but because it has the ability to break up combinations already existing in the soil ...
... Chapter Eight contains quite a thorough discussion of this very phenomena. If a compost pile is made from a variety of materials grown on soils that contained adequate calcium, then adding additional lime should ...
BONE-DUST AND SUPERPHOSPHATE OF LIME. Bone-dust is often spoken of as a phosphatic manure, and it has been supposed that the astonishing effect bone-dust sometimes produces on old pasture-land, is ...
... They are comparatively inexpensive and should be liberally applied to all soils for all crops. Superphosphate_ is an acid manure and best suited for use on soils containing lime. _Basic slag_ is a better ...
... In dealing with artificial manures, furnishing phosphoric acid, potash, and nitrogen, we have substances which act upon the soil in very different ways. Phosphate of lime is a very insoluble substance, and requires an ...
... Composition of Clover-Soil Once Mown for Hay, and Afterwards Left for Seed. Dried at 212° Fahr. { Organic matter 5.34 { Oxides of iron 6.07 { Alumina 4.51 { Carbonate of lime 7.51 ...
... It occurs on old, worn-out soil poor in lime salts, and has also been observed to follow a dry season. Treatment._--This should consist in a change of feed and the artificial feeding ...
... A plant must derive from the soil certain proportions of silica, lime, sulphur, phosphates, alkalies, and other mineral constituents, or it cannot exist at all; but, given these, the manufacture of fibre, starch, gum ...
... The presence of an abundance of lime in soils devoted to the growing of sweet potatoes hastens the maturity of the crop and increases the yield. On poor soils the lime and potash work ...
... The addition of carbonate of lime to a soil did not increase its absorptive power, and indeed it was found that a soil in which carbonate of lime did not exist, possessed in a ...
... It needs available nitrogen, and possibly soluble phosphoric acid.” The system of farming adopted in this section, is much more likely to impoverish the soil of nitrogen and phosphoric acid than of potash. If ...
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