| 1896 - 692 páginas
...elements required by plants in forms that insure plentiful crops and permanent fertility to the soil. It not only enriches the soil with the nitrogen, phosphoric...enables it to retain more moisture or to draw it up from below. On the basis of the prices charged for commercial fertilizers, the fertilizing valun of tho... | |
| 1896 - 686 páginas
...insure plcntit'nl crops and permanent fertility to the soil. It not only enriches the soil \vith tho nitrogen, phosphoric acid, and potash, which it contains,...more available, improves the mechanical condition of tho soil, makes it warmer, and enables it to retain more moisture or to draw it up from below. Fertilizer.... | |
| C. S. Marlatt - 1896
...•with the nitrogen, phosphoric acid, and potash, which it contains, but it also renders the stored-np materials of the soil more available, improves the...mechanical condition of the soil, makes it warmer, aud enables it to retain more moisture or to draw it up from below. Fertilizer. MoUturo. Nitrogen.... | |
| Virginia. Department of Agriculture and Immigration - 1905 - 240 páginas
...elements required by plants in forms that insure plentiful crops and permanent fertility to the soil. It not only enriches the soil with the nitrogen, phosphoric...enables it to retain more moisture or to draw it up from below. (3) The amount and value of manure produced by different kinds of farm animals may be judged... | |
| Kate Vandenhoff Saint Maur - 1909 - 556 páginas
...elements required by plants, in forms that insure plentiful crops and permanent fertility to the soil. It not only enriches the soil with the nitrogen, phosphoric...enables it to retain more moisture or to draw it up from below. It should be clearly understood that when the farmer sells meat, milk, grain, hay, vegetables,... | |
| Paul Leroy Warner - 1925 - 144 páginas
...enriches the soil with nitrogen, phosphoric acid and potash, but it also renders the stored up material of the soil more available, improves the mechanical...it warmer, and enables it to retain more moisture. On the basis of prices charged for commercial fertilizers, it is estimated that the average value of... | |
| 1894 - 948 páginas
...elements required by plants in forms that insure plentiful crops and permanent fertility to the soil. It not only enriches the soil with the nitrogen, phosphoric...enables it to retain more moisture or to draw it up from below. Amount and value of manure produced by different farn* animals [New York Cornell Experiment... | |
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