The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 61
... ground . The form represent- ed on Egyptian monuments ( 3,000 B. C. ) is an improvement on the hooked stick . Chinese historians say that the first plows in China were made 2,737 B. C. The plow described by Homer was a composite piece ...
... ground . The form represent- ed on Egyptian monuments ( 3,000 B. C. ) is an improvement on the hooked stick . Chinese historians say that the first plows in China were made 2,737 B. C. The plow described by Homer was a composite piece ...
Página 63
... ground . The electric plow of Austria is also worthy 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 ...
... ground . The electric plow of Austria is also worthy 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 ...
Página 65
... ground is plowed as soon after harvest as is practi- cable . This destroys the weeds before they ripen their seed ... ground for spring wheat also is often prepared by using an implement of the disc har- row type . SEEDING . Sowing ...
... ground is plowed as soon after harvest as is practi- cable . This destroys the weeds before they ripen their seed ... ground for spring wheat also is often prepared by using an implement of the disc har- row type . SEEDING . Sowing ...
Página 68
... ground after it was sown . The Order in Which Seeders Have Evolved is somewhat as follows : ( 1 ) Sowing by hand ; ( 2 ) the broadcast seeder , tak- ing the place of the hand , the flow of the seed depending on gravity ; ( 3 ) the ...
... ground after it was sown . The Order in Which Seeders Have Evolved is somewhat as follows : ( 1 ) Sowing by hand ; ( 2 ) the broadcast seeder , tak- ing the place of the hand , the flow of the seed depending on gravity ; ( 3 ) the ...
Página 69
... ground by her own methods so efficiently as to produce a crop is on the Pacific coast of the United States . Some wheat is nearly always " shed " or shelled out before or during harvest , and , if cultivated into the ground by harrowing ...
... ground by her own methods so efficiently as to produce a crop is on the Pacific coast of the United States . Some wheat is nearly always " shed " or shelled out before or during harvest , and , if cultivated into the ground by harrowing ...
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Términos y frases comunes
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