The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 109
... crops in spite of extensive culture . Often , as has been the case in the United States from the very beginning , when the soil has lost its fertility so that it will no longer yield standard crops , the ... CROP ROTATION AND IRRIGATION 109.
... crops in spite of extensive culture . Often , as has been the case in the United States from the very beginning , when the soil has lost its fertility so that it will no longer yield standard crops , the ... CROP ROTATION AND IRRIGATION 109.
Página 110
... crop of the following year . Historical . The farmers of ancient Egypt rotated crops . The same practice was followed in the time of Virgil , as well as the fallowing of land . The three - field system was not new in England in Norman ...
... crop of the following year . Historical . The farmers of ancient Egypt rotated crops . The same practice was followed in the time of Virgil , as well as the fallowing of land . The three - field system was not new in England in Norman ...
Página 111
... wheat plot . Good cultiva- tion alone was not sufficient to produce the best crops , and 1 Yearbook U. S. Dept. Agr . , 1902 , p . 520 . TYPICAL WHEAT FIELD ON A FARM WHERE CROP ROTATION IS CROP ROTATION AND IRRIGATION 111.
... wheat plot . Good cultiva- tion alone was not sufficient to produce the best crops , and 1 Yearbook U. S. Dept. Agr . , 1902 , p . 520 . TYPICAL WHEAT FIELD ON A FARM WHERE CROP ROTATION IS CROP ROTATION AND IRRIGATION 111.
Página 112
An Economic History and Practical Manual of the Wheat Industry Peter Tracy Dondlinger. TYPICAL WHEAT FIELD ON A FARM WHERE CROP ROTATION IS FOLLOWED other crops gave a poorer yield on land that had. 112.
An Economic History and Practical Manual of the Wheat Industry Peter Tracy Dondlinger. TYPICAL WHEAT FIELD ON A FARM WHERE CROP ROTATION IS FOLLOWED other crops gave a poorer yield on land that had. 112.
Página 113
... crop in a period of four years , gave almost as much wheat and more profitable returns than did the land which produced four crops of wheat in succession . " ' 1 Ex- periments ... crop follows either corn or CROP ROTATION AND IRRIGATION 113.
... crop in a period of four years , gave almost as much wheat and more profitable returns than did the land which produced four crops of wheat in succession . " ' 1 Ex- periments ... crop follows either corn or CROP ROTATION AND IRRIGATION 113.
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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