The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
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Página 22
... bushels were harvested from a little over 2,500,000 acres ; an average yield of over 25 bushels per acre . Physical Properties . - The number of grains in a pound of wheat varies from 7,500 to 24,000 ; from 377 determinations the ...
... bushels were harvested from a little over 2,500,000 acres ; an average yield of over 25 bushels per acre . Physical Properties . - The number of grains in a pound of wheat varies from 7,500 to 24,000 ; from 377 determinations the ...
Página 32
... bushels per acre over old varieties under the same con- ditions , giving to the farmer a pure gain of millions of bushels . Sey- Agricultural Institutions of Learning . - The American agri- cultural colleges were organized under the ...
... bushels per acre over old varieties under the same con- ditions , giving to the farmer a pure gain of millions of bushels . Sey- Agricultural Institutions of Learning . - The American agri- cultural colleges were organized under the ...
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 ...
Página 45
... bushels per acre . The Garton Brothers of England and William Farrer of New South Wales have extensively practiced crossing the different wheat groups . Every variety and every intergradation results from such crossing . A local variety ...
... bushels per acre . The Garton Brothers of England and William Farrer of New South Wales have extensively practiced crossing the different wheat groups . Every variety and every intergradation results from such crossing . A local variety ...
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acre agriculture amount annual Argentina average baked bread broadcast seeder bucket shop bushels bushels of wheat Canada cars cents per bushel century cereals Chicago climate combined harvester commercial corn cost crop rotation cultivation Dakota durum wheat early elevators England Europe experiment station export factor farm farmers feet fertilizers flour germination gluten grain grower grown harvest header Hessian fly Hybrid important increased industry insects irrigation Kansas kernel land larvæ loss macaroni machine machinery manure methods milling moisture nitrogen North North Dakota operation Pacific coast phosphoric acid plow potash pounds practically primary markets produced profitable railroads raised Red river valley Rept rotation Russia rust seed shipped smut soil sown speculative spores spring wheat storage straw supply threshing tion trade transportation United varieties weeds wheat crop wheat growing wheat plant winter wheat Yearbook U. S. Dept yield