The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd Company, 1922 - 369 páginas |
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Página 5
... feet above sea level , to Dawson and the Klondike river , 2,000 feet above sea level , and at least 65 degrees 30 minutes north latitude . In the United States the census shows that in 1880 , over 80 per cent of the grain was grown at ...
... feet above sea level , to Dawson and the Klondike river , 2,000 feet above sea level , and at least 65 degrees 30 minutes north latitude . In the United States the census shows that in 1880 , over 80 per cent of the grain was grown at ...
Página 6
... feet above sea level . The four counties of Kansas occupying the center of its famous wheat region have an average eleva- tion of about 1600 feet . The Colorado station has developed a type of wheat adapted to the higher altitudes of ...
... feet above sea level . The four counties of Kansas occupying the center of its famous wheat region have an average eleva- tion of about 1600 feet . The Colorado station has developed a type of wheat adapted to the higher altitudes of ...
Página 13
... feet , perhaps 5 or 6 feet , provided the water - line is not closer to the surface than that distance , for below this the roots will not enter to any ap- preciable extent . The roots of wheat have been traced to a depth of 7 feet ...
... feet , perhaps 5 or 6 feet , provided the water - line is not closer to the surface than that distance , for below this the roots will not enter to any ap- preciable extent . The roots of wheat have been traced to a depth of 7 feet ...
Página 68
... feet . The tendency in recent years is to drill in the wheat , except perhaps in California . In the Red river valley four - horse press drills covering 12 feet are used . About 30 acres a day are sown by one man , and no subsequent ...
... feet . The tendency in recent years is to drill in the wheat , except perhaps in California . In the Red river valley four - horse press drills covering 12 feet are used . About 30 acres a day are sown by one man , and no subsequent ...
Página 71
... feet in width are now used on the large western farms of the United States . With such a harrow one man and four horses can cover 60 to 75 acres per day . Various other forms of harrows have been devised . The principal ones are the ...
... feet in width are now used on the large western farms of the United States . With such a harrow one man and four horses can cover 60 to 75 acres per day . Various other forms of harrows have been devised . The principal ones are the ...
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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 factor farm farmers fertilizers field 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 operation Pacific coast phosphoric acid plow potash pounds practically produced profitable railroads raised 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