The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 51
... irrigated soft wheat has been plant- ed without irrigation , it has been known to harden remarkably in a single year . HEREDITARY INFLUENCES . Seed Wheat - In each kernel of wheat are embodied the latent possibilities of its future ...
... irrigated soft wheat has been plant- ed without irrigation , it has been known to harden remarkably in a single year . HEREDITARY INFLUENCES . Seed Wheat - In each kernel of wheat are embodied the latent possibilities of its future ...
Página 58
... irrigation , which is practiced on a comparatively small part of the wheat area . This process and that of fertilizing are discussed in later chap- ters . Cultivation , as here used , refers only to the mechanical operations connected ...
... irrigation , which is practiced on a comparatively small part of the wheat area . This process and that of fertilizing are discussed in later chap- ters . Cultivation , as here used , refers only to the mechanical operations connected ...
Página 100
... irrigation ; and ( 7 ) tile drainage . Factors Decreasing Yield . Nearly all of the factors just mentioned are inoperative in a new country , for their product gives intensive cultivation , while extensive cultivation is always ...
... irrigation ; and ( 7 ) tile drainage . Factors Decreasing Yield . Nearly all of the factors just mentioned are inoperative in a new country , for their product gives intensive cultivation , while extensive cultivation is always ...
Página 107
... reduction in cost of production represented a saving of about $ 91,000,000 for the United States on the wheat crop of 1907 . CHAPTER VII . CROP ROTATION AND IRRIGATION CROP ROTATION . YIELD AND COST OF PRODUCTION 107.
... reduction in cost of production represented a saving of about $ 91,000,000 for the United States on the wheat crop of 1907 . CHAPTER VII . CROP ROTATION AND IRRIGATION CROP ROTATION . YIELD AND COST OF PRODUCTION 107.
Página 108
... IRRIGATION CROP ROTATION . The Effects of Continuous Cropping . - Different crops re- move from and contribute to the soil elements of different kinds or in different proportions . The availability of plant food is also influenced ...
... IRRIGATION CROP ROTATION . The Effects of Continuous Cropping . - Different crops re- move from and contribute to the soil elements of different kinds or in different proportions . The availability of plant food is also influenced ...
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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