The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 18
... acid from the atmosphere . This acid is one of the raw materials of these little factories . They decompose it ... phosphoric acid , potash and silica . They , too , are reduced . If 18 THE BOOK OF WHEAT.
... acid from the atmosphere . This acid is one of the raw materials of these little factories . They decompose it ... phosphoric acid , potash and silica . They , too , are reduced . If 18 THE BOOK OF WHEAT.
Página 19
... phosphoric acid and potash , which they contained when living , green and turgescent . Thus the closing of one of these groups of little cell factories by the dessication of a leaf is a very important process to the plant , for less ...
... phosphoric acid and potash , which they contained when living , green and turgescent . Thus the closing of one of these groups of little cell factories by the dessication of a leaf is a very important process to the plant , for less ...
Página 24
... acid & nitro'n 52.61 77.28 122.67 50.25 72.42 Potash ... Phosphoric acid . 13.69 19.11 40.17 8.55 31.62 9.49 17.64 26.85 14.10 12.75 Nitrogen ..... 29.73 40.53 55.65 27.60 28.05 Water evaporated . 522,000 600,000 Weight of grain .. 720 ...
... acid & nitro'n 52.61 77.28 122.67 50.25 72.42 Potash ... Phosphoric acid . 13.69 19.11 40.17 8.55 31.62 9.49 17.64 26.85 14.10 12.75 Nitrogen ..... 29.73 40.53 55.65 27.60 28.05 Water evaporated . 522,000 600,000 Weight of grain .. 720 ...
Página 125
... phosphoric acid , potash and lime enter into the composition of plants , and he successfully combated many unscientific notions . The derivation of soils from rocks was also known in his time . Mineral or artificial manures were first ...
... phosphoric acid , potash and lime enter into the composition of plants , and he successfully combated many unscientific notions . The derivation of soils from rocks was also known in his time . Mineral or artificial manures were first ...
Página 134
... Phosphoric acid used alone generally increases the yield of wheat grown anywhere on the glacial drift area of the United States . Either nitrogen or potash applied alone does not seem to increase the yield great- ly , while the ...
... Phosphoric acid used alone generally increases the yield of wheat grown anywhere on the glacial drift area of the United States . Either nitrogen or potash applied alone does not seem to increase the yield great- ly , while the ...
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Términos y frases comunes
acre agriculture Amer American amount annual Argentina average baked bran bread bucket shop bushels bushels of wheat Canada cars cents per bushel century cereals Chicago chinch bug climate combined harvester commercial corn cost crop rotation cultivation durum wheat early elevators England Europe experiment station export farm farmers fertilizers flour germination gluten grower grown harvest header Hessian fly Hybrid important increased industry insects irrigation Kansas kernel land larvæ loss macaroni machine machinery manure methods miller milling Minnesota moisture nitrogen North Dakota operations Pacific coast phosphoric acid plow potash pounds practically price of wheat produced profitable railroads Red river valley Report Rept rotation Russia rust seed shipped smut soil sown speculative spores spring wheat storage straw supply threshing tion transportation United varieties weeds wheat crop wheat growing wheat plant winter wheat Yearbook U. S. Dept yield