The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 33
... farmers . Free land , free immigration , and free private enter- prise in railroad construction were the chief factors that ulti- mately led , not only to financial independence , but also to a new dignity and to a higher standard of ...
... farmers . Free land , free immigration , and free private enter- prise in railroad construction were the chief factors that ulti- mately led , not only to financial independence , but also to a new dignity and to a higher standard of ...
Página 38
... farms gave an average gain of about 3.6 per cent in favor of selection . Principles differ- ing somewhat from those usually followed in selection were $ 4 CROSSING AS A CAUSE OF VARIATION : Yield in grain of 100 plants , showing greater ...
... farms gave an average gain of about 3.6 per cent in favor of selection . Principles differ- ing somewhat from those usually followed in selection were $ 4 CROSSING AS A CAUSE OF VARIATION : Yield in grain of 100 plants , showing greater ...
Página 39
... farmers have increased the yield of corn 20 per cent by annually selecting the largest and best formed ears from among many thousands . The process has 1 Thorpe , Harper's Mag . , 15 : 302 . 2 Yearbook U. S. Dept. Agr . , 1901 , pp ...
... farmers have increased the yield of corn 20 per cent by annually selecting the largest and best formed ears from among many thousands . The process has 1 Thorpe , Harper's Mag . , 15 : 302 . 2 Yearbook U. S. Dept. Agr . , 1901 , pp ...
Página 47
... farms representing the varied soils of the state . Sown upon the same soil , all gave approximately the same results in yield and quality of grain and straw . They also matured at the same date , and had like periods of development ...
... farms representing the varied soils of the state . Sown upon the same soil , all gave approximately the same results in yield and quality of grain and straw . They also matured at the same date , and had like periods of development ...
Página 53
... farmers may not yet be able thus to procure intelligently the seed best suited to their environment , but they have a number of insti- tutions at their command whose business it is to dispense in- formation of exactly this nature . Some ...
... farmers may not yet be able thus to procure intelligently the seed best suited to their environment , but they have a number of insti- tutions at their command whose business it is to dispense in- formation of exactly this nature . Some ...
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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