 | Connecticut Agricultural Experiment Station - Agriculture - 1893 - 1262 pages
...because the quantity of it which can commonly go upon an acre of land has no perceptible effect on the crop, and because its presence in the fertilizer excludes an equal percentage of more needful and much more valuable ingredients. but when the animal matter decays in... | |
 | Connecticut Agricultural Experiment Station - Agriculture - 1897 - 454 pages
...value to the purchaser, because the quantity of it which can commonly go upon an acre of land has no perceptible effect upon the crop, and because its presence in the fertilizer excludes an equal percentage of more needful and much more valuable ingredients. grated by boiling or steaming, the phosphate... | |
 | Maine Agricultural Experiment Station - Agriculture - 1903 - 240 pages
...decay is more rapid than if with purely mineral substances. The insoluble phosphates may be converted into soluble forms by treatment with strong acids....because its presence in the fertilizer excludes an equal amount of more needful and valuable constituents. Potash in commercial fertilizers exists chiefly as... | |
 | 1903 - 426 pages
...decay is more rapid than if with purely mineral substances. The insoluble phosphates may be converted into soluble forms by treatment with strong acids....because its presence in the fertilizer excludes an equal amount of more needful and valuable constituents. Potash in commercial fertilizers exists chiefly as... | |
 | Connecticut - Connecticut - 1903 - 1220 pages
...value to the purchaser, because the quantity of it which can commonly be put on an acre of land has no perceptible effect upon the crop and because its presence in the fertilizer excludes an equal percentage of more needful and much more valuable ingredients. In raw bone much of the phosphoric acid... | |
 | 1904 - 512 pages
...decay is more rapid than if with purely mineral substances. The insoluble phosphates may be converted into soluble forms by treatment with strong acids....because its presence in the fertilizer excludes an equal amount of more needful and valuable constituents. Potash in commercial fertilizers exists chiefly as... | |
 | Agriculture - 1907 - 372 pages
...decay is more rapid than if with purely mineral substances. The insoluble phosphates may be converted into soluble forms by treatment with strong acids....usual rate of application the quantity is too small to have any perceptible effect upon the crop, and because its presence in the fertilizer excludes an equal... | |
 | Maine Agricultural Experiment Station - Agriculture - 1908 - 460 pages
...decay is more rapid than if with purely mineral substances. The insoluble phosphates may be converted into soluble forms by treatment with strong acids....because its presence in the fertilizer excludes an equal amount of more needful and valuable constituents. Potash in commercial fertilizers exists chiefly as... | |
 | Connecticut. State Board of Agriculture - Agriculture - 1899 - 952 pages
...value to the purchaser, because the quantity of it which can commonly go upon an acre of land has no perceptible effect upon the crop, and because its presence in the fertilizer excludes an equal percentage of more needful and much more valuable ingredients. insoluble, because of the animal matter... | |
 | Maine Agricultural Experiment Station - Agriculture - 1912 - 816 pages
...insoluble phosphates may be converted into soluble forms by treatment with strong acids. Such phosphates are known as acid phosphates or superphosphates. The...because its presence in the fertilizer excludes an equal amount of more needful and valuable constituent?. Potash in commercial fertilizers exists chiefly as... | |
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insoluble phosphoric acid" of a high cost commercial fertilizer has little or no value to the purchaser because at the usual rate of application the quantity is too small to make any perceptible effect upon the crop, and because its presence in the fertilizer... 