The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
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... Where Rotation is Followed Furrow Method of Irrigation . . Twenty Self - Binding Harvesters at Work Combined Grain and Fertilizer Drill . Three Threshing Outfits at Work .. PAGE Sections of Smutted Wheat Straw Stinking and Loose Smut X.
... Where Rotation is Followed Furrow Method of Irrigation . . Twenty Self - Binding Harvesters at Work Combined Grain and Fertilizer Drill . Three Threshing Outfits at Work .. PAGE Sections of Smutted Wheat Straw Stinking and Loose Smut X.
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... Smut Aecidia on Barberry . . Two Forms of Rust Spores Black and Red Rust . Hessian Fly Hessian Fly on Wheat Chinch Bug Wheat Midge Wheat Plant Louse Rocky Mountain Grasshopper . Grain Aphis or Green Bug Granary Weevil Grain Moth Flour ...
... Smut Aecidia on Barberry . . Two Forms of Rust Spores Black and Red Rust . Hessian Fly Hessian Fly on Wheat Chinch Bug Wheat Midge Wheat Plant Louse Rocky Mountain Grasshopper . Grain Aphis or Green Bug Granary Weevil Grain Moth Flour ...
Página 23
... smut germs does not injure its via- bility . In northern Canada , -52 ° F. has no injurious effect upon the vitality of dry and unplanted wheat . Beyond these temperatures , no scientific experiments have been found recor l- ed by the ...
... smut germs does not injure its via- bility . In northern Canada , -52 ° F. has no injurious effect upon the vitality of dry and unplanted wheat . Beyond these temperatures , no scientific experiments have been found recor l- ed by the ...
Página 54
... smut , or by improper har- vesting or storing , is used for seed purposes . Many experi- ments with immature seed wheat have been made . While its germinating powers may be greater , the conclusion is that smaller and less vigorous ...
... smut , or by improper har- vesting or storing , is used for seed purposes . Many experi- ments with immature seed wheat have been made . While its germinating powers may be greater , the conclusion is that smaller and less vigorous ...
Página 73
... smut and rust ; predatory insects , birds and rodents ; fire ; various dis- eases and other unfavorable conditions may defeat all means to success at the farmer's command . Thus wheat raising , like most of the extractive industries ...
... smut and rust ; predatory insects , birds and rodents ; fire ; various dis- eases and other unfavorable conditions may defeat all means to success at the farmer's command . Thus wheat raising , like most of the extractive industries ...
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Términos y frases comunes
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