The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 40
... farm by selecting seed from those plants which exhibit these qualities in the highest degree . As these things cannot be properly determined after harvest , all selections for seed should be made in the field . Marked variations or ...
... farm by selecting seed from those plants which exhibit these qualities in the highest degree . As these things cannot be properly determined after harvest , all selections for seed should be made in the field . Marked variations or ...
Página 44
... farm at Ottawa , Canada , Dr. William Saunders , began hybridizing wheats in 1888. His main object has been to procure early ripening varieties , and he has attained success by hybridizing American and Russian races . Preston and ...
... farm at Ottawa , Canada , Dr. William Saunders , began hybridizing wheats in 1888. His main object has been to procure early ripening varieties , and he has attained success by hybridizing American and Russian races . Preston and ...
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 54
... farm is also great . Frequently , especially among the uned- ucated classes , any wheat which is injured too badly for market purposes , either by such diseases as smut , or by improper har- vesting or storing , is used for seed ...
... farm is also great . Frequently , especially among the uned- ucated classes , any wheat which is injured too badly for market purposes , either by such diseases as smut , or by improper har- vesting or storing , is used for seed ...
Página 55
... farm under rational methods of culture . Undoubtedly , any seed may de- teriorate because of injuries arising from disease , improper cultivation or selection of seed , or from many other causes which militate against the production of ...
... farm under rational methods of culture . Undoubtedly , any seed may de- teriorate because of injuries arising from disease , improper cultivation or selection of seed , or from many other causes which militate against the production of ...
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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