The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
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Página 42
... fertilized in nature ) , which is thrown into action when different varieties are arti- ficially crossed . " As to these varieties Hays says : " The further they have departed from ancestral characteristics and formed diverse qualities ...
... fertilized in nature ) , which is thrown into action when different varieties are arti- ficially crossed . " As to these varieties Hays says : " The further they have departed from ancestral characteristics and formed diverse qualities ...
Página 58
... fertilizing and irriga- tion . The resulting variations in wheat are quantitative rather than qualitative , except in the case of irrigation , which is practiced on a comparatively small part of the wheat area . This process and that of ...
... fertilizing and irriga- tion . The resulting variations in wheat are quantitative rather than qualitative , except in the case of irrigation , which is practiced on a comparatively small part of the wheat area . This process and that of ...
Página 63
... of mention . Time of Plowing . In general , it may be said that in the spring wheat area of the United States , fall plowing slightly THE TYPICAL FARM WHEAT DRILL WITHOUT FERTILIZER ATTACHMENT Increases the CULTIVATION OF WHEAT 63.
... of mention . Time of Plowing . In general , it may be said that in the spring wheat area of the United States , fall plowing slightly THE TYPICAL FARM WHEAT DRILL WITHOUT FERTILIZER ATTACHMENT Increases the CULTIVATION OF WHEAT 63.
Página 64
An Economic History and Practical Manual of the Wheat Industry Peter Tracy Dondlinger. THE TYPICAL FARM WHEAT DRILL WITHOUT FERTILIZER ATTACHMENT Increases the yield , is most destructive to weeds and.
An Economic History and Practical Manual of the Wheat Industry Peter Tracy Dondlinger. THE TYPICAL FARM WHEAT DRILL WITHOUT FERTILIZER ATTACHMENT Increases the yield , is most destructive to weeds and.
Página 71
... fertilized the land and sowed the seed , all at one operation . There is no record of its having done any work . In ... fertilizer together . Perhaps the only instance where any practical and extensive results in this line have been ob ...
... fertilized the land and sowed the seed , all at one operation . There is no record of its having done any work . In ... fertilizer together . Perhaps the only instance where any practical and extensive results in this line have been ob ...
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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