The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
Dentro del libro
Página 108
... commercial fertilizers unless rotation of crops is practiced . Comparative Utility of Crop Rotation . As a rule the pioneer farmer in a new country never practices much rotation of crops . This is one of the factors of high and ...
... commercial fertilizers unless rotation of crops is practiced . Comparative Utility of Crop Rotation . As a rule the pioneer farmer in a new country never practices much rotation of crops . This is one of the factors of high and ...
Página 115
... commercial success has been made of growing wheat and alfalfa together on the dry uplands of North Africa . In Al- geria two rows of wheat are sown 4 inches apart . A space of 40 inches is left between the double rows , and in this ...
... commercial success has been made of growing wheat and alfalfa together on the dry uplands of North Africa . In Al- geria two rows of wheat are sown 4 inches apart . A space of 40 inches is left between the double rows , and in this ...
Página 120
... of 59 vil- lages in India were wholly or partly destroyed by the rise of alkali previous to 1864. Water containing over 1,000 parts of. THE FURROW METHOD OF IRRIGATING THE COMBINED GRAIN AND COMMERCIAL. 120 THE BOOK OF WHEAT.
... of 59 vil- lages in India were wholly or partly destroyed by the rise of alkali previous to 1864. Water containing over 1,000 parts of. THE FURROW METHOD OF IRRIGATING THE COMBINED GRAIN AND COMMERCIAL. 120 THE BOOK OF WHEAT.
Página 126
... commercial fertilizers . 971 With prophetic vision Liebig said : " Manufactories of ma- nure will be established in which the farmer can obtain the most efficacious manure for all varieties of soils and plants . " Systematic work in the ...
... commercial fertilizers . 971 With prophetic vision Liebig said : " Manufactories of ma- nure will be established in which the farmer can obtain the most efficacious manure for all varieties of soils and plants . " Systematic work in the ...
Página 131
... commercial supply is so limited that a " nitrogen famine " had already been predicted , but the discovery of nitrogen- gathering bacteria seems destined to lead to the utilization of air nitrogen at a nominal cost . Plants normally ...
... commercial supply is so limited that a " nitrogen famine " had already been predicted , but the discovery of nitrogen- gathering bacteria seems destined to lead to the utilization of air nitrogen at a nominal cost . Plants normally ...
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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