The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
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Página 15
... advantage of extreme diminution of the number of seeds to each flower , giving richness in starch and gluten , combined with the advantage of numerous flowers on each plant , giving many seeds . The Wheat Kernel is a dry , indehiscent ...
... advantage of extreme diminution of the number of seeds to each flower , giving richness in starch and gluten , combined with the advantage of numerous flowers on each plant , giving many seeds . The Wheat Kernel is a dry , indehiscent ...
Página 36
... advantage which aided them to survive other va- rieties . This , however , is only the operation of the prime factor of selection , or , as Darwin calls it , the law of the preservation of the favorable individual differences and varia ...
... advantage which aided them to survive other va- rieties . This , however , is only the operation of the prime factor of selection , or , as Darwin calls it , the law of the preservation of the favorable individual differences and varia ...
Página 37
... advantages . A Scottish agriculturist , Shireff , made discoveries pertaining to the selection of wheat as early as 1819. The Belgian horti- culturist , Van Mons , scientifically practiced selection before 1835. The works of Le Couteur ...
... advantages . A Scottish agriculturist , Shireff , made discoveries pertaining to the selection of wheat as early as 1819. The Belgian horti- culturist , Van Mons , scientifically practiced selection before 1835. The works of Le Couteur ...
Página 39
... advantage over the animal breeder , for the expense of producing seeds for individ- ual plants is so small that only a few of the best seeds are kept , while in animal breeding expense ordinarily forbids disre- garding more than a small ...
... advantage over the animal breeder , for the expense of producing seeds for individ- ual plants is so small that only a few of the best seeds are kept , while in animal breeding expense ordinarily forbids disre- garding more than a small ...
Página 42
... advantage of hybridization is shown in three ef- fects , all of which aid in accomplishing more rapidly the results aimed at in selection . It makes it possible immediately and directly to combine the qualities of two different plants ...
... advantage of hybridization is shown in three ef- fects , all of which aid in accomplishing more rapidly the results aimed at in selection . It makes it possible immediately and directly to combine the qualities of two different plants ...
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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