 | Edward Livermore Burlingame, Robert Bridges, Alfred Sheppard Dashiell, Harlan Logan - 1916 - Liczba stron: 926
...which live on plants. It so happens that by our reckless methods of agriculture the plants take the nitrogen from the soil much faster than it is supplied to the soil through some natural agencies from the air. We should remember here that the atmosphere in which we live and... | |
 | 1914 - Liczba stron: 432
...simple reason that there is, and always has been, at sometime or another, a shortage of nitrogeneous foods in the world. Agriculture furnishes us these...discrepancy by enriching the soil with manure or other fertilizers, but this has been found totally insufficient, especially with our methods of intensive... | |
 | Leo Hendrik Baekeland - 1914 - Liczba stron: 54
...is, and always has been, Strogen°fer- at sometime or another, a shortage of niainicuiture trogeneous foods in the world. Agriculture furnishes us these...discrepancy by enriching the soil with manure or other fertilizers, but this has been found totally insufficient, especially with our methods of intensive... | |
 | 1914 - Liczba stron: 430
...in the world. Agriculture furnishes us these proteid or nitrogen-containing bodies, whether we cat them directly as vegetable products, or indirectly...discrepancy by enriching the soil with manure or other fertilizers, but this has been found totally insufficient, especially with our methods of intensive... | |
 | Smithsonian Institution. Board of Regents - 1915 - Liczba stron: 932
...shortage of nitrogenous foods in the world. Agriculture furnishes us these proteid or nitrogen containing bodies, whether we eat them directly as vegetable...discrepancy by enriching the soil with manure or other fertilizers, but this has been found totally insufficient, especially with our methods of intensive... | |
 | Smithsonian Institution. Board of Regents - 1915 - Liczba stron: 940
...foods in the world. Agriculture furnishes us these proteid or nitrogen containing bodies, whether wo eat them directly as vegetable products or indirectly...discrepancy by enriching the soil with manure or other fertilizers, but this has been found totally insufficient, especially with our methods of intensive... | |
 | Franklin Institute (Philadelphia, Pa.) - 1916 - Liczba stron: 946
...countrymen. This eminent authority says : The development of some problems of industrial chemistry has enlisted the brilliant collaboration of men of...discrepancy by enriching the soil with manure or other fertilizers, but this has been found totally insufficient, especially with our methods of intensive... | |
 | Erasmus Morgan Weaver - 1917 - Liczba stron: 412
...nitrogenous foods in the world. -Agriculture furnishes us those proteid- or nitrogen-containing Ixxlies, whether we eat them directly as vegetable products,...agriculture we take nitrogen from the soil much faster thnn it is supplied to the soil through natural agencies. \Ve have tried to remedy this discrepancy... | |
 | Smithsonian Institution. Board of Regents - 1915 - Liczba stron: 936
...shortage of nitrogenous foods in the world. Agriculture furnishes us these proteid or nitrogen containing bodies, whether we eat them directly as vegetable...discrepancy by enriching the soil with manure or other f ertilizers, but this has been found totally insufficient, especially with our methods of intensive... | |
 | Franklin Institute (Philadelphia, Pa.) - 1916 - Liczba stron: 1080
...countrymen. This eminent authority says : The development of some problems of industrial chemistry has enlisted the brilliant collaboration of men of...discrepancy by enriching the soil with manure or other fertilizers, but this has been found totally insufficient, especially with our methods of intensive... | |
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Agriculture furnishes us these proteid- or nitrogen-containing bodies, whether we eat them directly as vegetable products, or indirectly as animals which have assimilated the proteids from plants. It so happens, however, that by our ill-balanced methods... 