The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 32
... bushels per acre over old varieties under the same con- ditions , giving to the farmer a pure gain of millions of bushels . Agricultural Institutions of Learning . - The American agri- cultural colleges were organized under the land ...
... bushels per acre over old varieties under the same con- ditions , giving to the farmer a pure gain of millions of bushels . Agricultural Institutions of Learning . - The American agri- cultural colleges were organized under the land ...
Página 33
... of the wheat plant and its environment . Historically , it is unknown whether the plant or the environ- ment was first the subject of improvement . The subsequent HARVESTING A 32 - BUSHEL - PER - ACRE CROP IMPROVEMENT OF WHEAT 33.
... of the wheat plant and its environment . Historically , it is unknown whether the plant or the environ- ment was first the subject of improvement . The subsequent HARVESTING A 32 - BUSHEL - PER - ACRE CROP IMPROVEMENT OF WHEAT 33.
Página 34
An Economic History and Practical Manual of the Wheat Industry Peter Tracy Dondlinger. HARVESTING A 32 - BUSHEL - PER - ACRE CROP OF MINNESOTA BLUE STEM WHEAT portion of this chapter is exclusively devoted to the plant. 34.
An Economic History and Practical Manual of the Wheat Industry Peter Tracy Dondlinger. HARVESTING A 32 - BUSHEL - PER - ACRE CROP OF MINNESOTA BLUE STEM WHEAT portion of this chapter is exclusively devoted to the plant. 34.
Página 37
... bushels per acre , while during the same years the un- 1 Georgics I. , lines 286-288 . 2 Neb . Bul . 32 , p . 91 . Kan . Buls . 20 , 33 , 40 and 59 . selected parent sort yielded only 22.5 bushels , an increase IMPROVEMENT OF WHEAT 37.
... bushels per acre , while during the same years the un- 1 Georgics I. , lines 286-288 . 2 Neb . Bul . 32 , p . 91 . Kan . Buls . 20 , 33 , 40 and 59 . selected parent sort yielded only 22.5 bushels , an increase IMPROVEMENT OF WHEAT 37.
Página 38
... bushels , an increase dur- ing four years of 5.8 bushels per acre . In ten years nearly 25 per cent in yield was gained . ' Ninety - six tests of selected wheat seed during the years 1900 to 1902 at the Canada experiment farms gave an ...
... bushels , an increase dur- ing four years of 5.8 bushels per acre . In ten years nearly 25 per cent in yield was gained . ' Ninety - six tests of selected wheat seed during the years 1900 to 1902 at the Canada experiment farms gave an ...
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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