The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 37
... England , begun in 1857 . He selected the best heads and kernels . The following table gives his results . EXPERIMENTS IN SELECTION OF WHEAT . Year Grains No. of Length grains No. of ears on one root 1857 Original ear ... 4 3-8 inches ...
... England , begun in 1857 . He selected the best heads and kernels . The following table gives his results . EXPERIMENTS IN SELECTION OF WHEAT . Year Grains No. of Length grains No. of ears on one root 1857 Original ear ... 4 3-8 inches ...
Página 45
... England and William Farrer of New South Wales have extensively practiced crossing the different wheat groups . Every variety and every intergradation results from such crossing . A local variety may acquire , not only rust resistance ...
... England and William Farrer of New South Wales have extensively practiced crossing the different wheat groups . Every variety and every intergradation results from such crossing . A local variety may acquire , not only rust resistance ...
Página 61
... England from 1250 to 1650 . Steam . After nearly two centuries of projection and in- vention , steam was successfully used for agricultural oper- ations in England in 1832. The system adopted was that of dragging the implements by the ...
... England from 1250 to 1650 . Steam . After nearly two centuries of projection and in- vention , steam was successfully used for agricultural oper- ations in England in 1832. The system adopted was that of dragging the implements by the ...
Página 62
... England , from one to eight oxen were used in the eleventh century , while four horses or oxen were usual in the seven- teenth century . The first plow in California ( about 1835 ) was a crooked branch with an iron toe . On the whole ...
... England , from one to eight oxen were used in the eleventh century , while four horses or oxen were usual in the seven- teenth century . The first plow in California ( about 1835 ) was a crooked branch with an iron toe . On the whole ...
Página 66
... England , is never found now , unless it is with the experimenter . Na- ture's method , broadcasting , was also the first method of arti- ficial seeding . The seed was simply scattered by hand . Of the three ways , drilling is now ...
... England , is never found now , unless it is with the experimenter . Na- ture's method , broadcasting , was also the first method of arti- ficial seeding . The seed was simply scattered by hand . Of the three ways , drilling is now ...
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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