The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 41
... operation of cross - fertilization is by far the easiest part of the process for attaining results desired . We began with a " good spike . " To secure this requires a ready knowledge and judgment of wheat . In hybridization , as in ...
... operation of cross - fertilization is by far the easiest part of the process for attaining results desired . We began with a " good spike . " To secure this requires a ready knowledge and judgment of wheat . In hybridization , as in ...
Página 58
... operations connected with raising wheat in the natural environ- ment treated in the previous chapter . It renders this natural environment artificial to the degree in which it alters the me- chanical arrangement of the soil in nature ...
... operations connected with raising wheat in the natural environ- ment treated in the previous chapter . It renders this natural environment artificial to the degree in which it alters the me- chanical arrangement of the soil in nature ...
Página 59
... operations . As a rule , oxen are found in communities 1 S. C. Bul . 56 , p . 12 . 2 U. S. Daily Consular Repts . , Oct. to Dec. , 1903 . less developed agriculturally and horses in the more developed ones CULTIVATION OF WHEAT 59.
... operations . As a rule , oxen are found in communities 1 S. C. Bul . 56 , p . 12 . 2 U. S. Daily Consular Repts . , Oct. to Dec. , 1903 . less developed agriculturally and horses in the more developed ones CULTIVATION OF WHEAT 59.
Página 62
... operation on the topsoil , which it gradually loosened , raised and completely turned over to one side . Coulters were known in England at least as early as the eleventh century . Fitzher- bert writes of different kinds of plows for ...
... operation on the topsoil , which it gradually loosened , raised and completely turned over to one side . Coulters were known in England at least as early as the eleventh century . Fitzher- bert writes of different kinds of plows for ...
Página 63
... operations . In some parts of California , plows are set in gangs of as many as 14 . They are drawn by eight mules , and plow three inches deep at the rate of 10 or 15 acres per day . A traction engine with large gangs of plows or discs ...
... operations . In some parts of California , plows are set in gangs of as many as 14 . They are drawn by eight mules , and plow three inches deep at the rate of 10 or 15 acres per day . A traction engine with large gangs of plows or discs ...
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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