The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd Company, 1922 - 369 páginas |
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Página 19
... carried phosphoric acid and potash . Some of the elaborated material is thus continually being transported from lower to upper leaves during the entire period of vegetation . Flowering takes place when enough material has been ...
... carried phosphoric acid and potash . Some of the elaborated material is thus continually being transported from lower to upper leaves during the entire period of vegetation . Flowering takes place when enough material has been ...
Página 31
... carried to a height perhaps not surpassed in Europe before the last quarter of the nineteenth century . While Plato , Socrates and Pliny took an interest in agricul- ture , it is claimed that the oldest of writers on husbandry whose ...
... carried to a height perhaps not surpassed in Europe before the last quarter of the nineteenth century . While Plato , Socrates and Pliny took an interest in agricul- ture , it is claimed that the oldest of writers on husbandry whose ...
Página 37
... carried on in America . The most extensive and successful of these were begun in 1892 at the Minnesota experiment station under the direction of Prof. W. M. Hays . From 1891 to 1896 experiments were made in Kansas with light , common ...
... carried on in America . The most extensive and successful of these were begun in 1892 at the Minnesota experiment station under the direction of Prof. W. M. Hays . From 1891 to 1896 experiments were made in Kansas with light , common ...
Página 39
... carried on systematically through a series of years . A method frequently used is the selection of plump kernels from grain in the bulk . While there is doubtless some ad- vantage in this method , it cannot give the best results , for ...
... carried on systematically through a series of years . A method frequently used is the selection of plump kernels from grain in the bulk . While there is doubtless some ad- vantage in this method , it cannot give the best results , for ...
Página 45
... carried on in the Kansas wheat belt for some years , and extensive co - operative work in this line has been taken up with the experiment stations in different wheat growing states , particularly in Texas , Kansas , South Dakota ...
... carried on in the Kansas wheat belt for some years , and extensive co - operative work in this line has been taken up with the experiment stations in different wheat growing states , particularly in Texas , Kansas , South Dakota ...
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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 factor farm farmers fertilizers field 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 operation Pacific coast phosphoric acid plow potash pounds practically produced profitable railroads raised 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