The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
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Página 31
... increasing magnitude , the study of ques- tions most diversified in interests and far - reaching in impor- tance , and the thorough , effectual and scientific methods employed . As new interests arose , were investigated , and in ...
... increasing magnitude , the study of ques- tions most diversified in interests and far - reaching in impor- tance , and the thorough , effectual and scientific methods employed . As new interests arose , were investigated , and in ...
Página 33
... increasing the natural variations 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 ...
... increasing the natural variations 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 ...
Página 35
... increased the evidence in this direction . A de- fence of discontinuous evolution has also been made by various other scientists , such as the paleontologist Dollo , the zoologist Bateson , and the botanist Korshinsky . In general , it ...
... increased the evidence in this direction . A de- fence of discontinuous evolution has also been made by various other scientists , such as the paleontologist Dollo , the zoologist Bateson , and the botanist Korshinsky . In general , it ...
Página 36
... increased chances of reproduction . In wheat artificially sown , care must be exercised lest this force of natural selection operate disadvantageously , for fewer seeds are no longer a disadvantage in reproduction . If for any reason ...
... increased chances of reproduction . In wheat artificially sown , care must be exercised lest this force of natural selection operate disadvantageously , for fewer seeds are no longer a disadvantage in reproduction . If for any reason ...
Página 37
... increased over fivefold . It is only within recent years that wheat experiments of this nature have been carried on in America . The most extensive and successful of these were begun in 1892 at the Minnesota experiment station under the ...
... increased over fivefold . It is only within recent years that wheat experiments of this nature have been carried on in America . The most extensive and successful of these were begun in 1892 at the Minnesota experiment station under the ...
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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