The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
Dentro del libro
Resultados 6-10 de 60
Página 127
... supply different quantities of water to the plant , irre- spective of the percentage of water actually present in the soil . As water conveys the nutritive solutions to the plant , when the supply of water is inadequate , there may also ...
... supply different quantities of water to the plant , irre- spective of the percentage of water actually present in the soil . As water conveys the nutritive solutions to the plant , when the supply of water is inadequate , there may also ...
Página 129
... supplies nitrogenous plant food and aids in making mineral plant foods and fertilizers more available and effective ... supply in the soil is to grow clovers and grasses in the crop rotation and plow under all plant refuse . Leguminous ...
... supplies nitrogenous plant food and aids in making mineral plant foods and fertilizers more available and effective ... supply in the soil is to grow clovers and grasses in the crop rotation and plow under all plant refuse . Leguminous ...
Página 130
... supply will be indefinitely maintained , and that this actual yield of plants adapted to the soil depends mainly , under favorable climatic conditions , upon the cultural methods and suitable crop rotation , a conclusion strictly in ...
... supply will be indefinitely maintained , and that this actual yield of plants adapted to the soil depends mainly , under favorable climatic conditions , upon the cultural methods and suitable crop rotation , a conclusion strictly in ...
Página 131
... supply is so limited that a " nitrogen famine " had already been predicted , but the discovery of nitrogen- gathering bacteria seems destined to lead to the utilization of air nitrogen at a nominal cost . Plants normally obtain through ...
... supply is so limited that a " nitrogen famine " had already been predicted , but the discovery of nitrogen- gathering bacteria seems destined to lead to the utilization of air nitrogen at a nominal cost . Plants normally obtain through ...
Página 133
... supply of the soil for the wheat crop by means of bacteria . The more practical solution seems to be the indirect one of growing in rotation with wheat leguminous crops aided by artificial cultures . Success in this has been pronounced ...
... supply of the soil for the wheat crop by means of bacteria . The more practical solution seems to be the indirect one of growing in rotation with wheat leguminous crops aided by artificial cultures . Success in this has been pronounced ...
Otras ediciones - Ver todas
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