The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
Dentro del libro
Resultados 1-5 de 17
Página 28
... manure . Grain Grain Straw Wt . per bu . lb. to straw per acre Per cent lb. per acre lb. Nitrogen in dry matter Ash ( pure ) in dry Per cent mat'r % 62.6 62.5 2342 6089 1.73 1.98 Plat 3 - Unmanu'd 60.5 67.4 1156 2872 1.84 1.96 Plat 10A ...
... manure . Grain Grain Straw Wt . per bu . lb. to straw per acre Per cent lb. per acre lb. Nitrogen in dry matter Ash ( pure ) in dry Per cent mat'r % 62.6 62.5 2342 6089 1.73 1.98 Plat 3 - Unmanu'd 60.5 67.4 1156 2872 1.84 1.96 Plat 10A ...
Página 124
... manure as a fertilizer . Cato mentions irrigation , frequent tillage and manuring as means of fertilizing the soil . To these Virgil adds ashes . The ancient Peruvians were skillful in the application of manure , a practice that has ...
... manure as a fertilizer . Cato mentions irrigation , frequent tillage and manuring as means of fertilizing the soil . To these Virgil adds ashes . The ancient Peruvians were skillful in the application of manure , a practice that has ...
Página 125
... manures were first studied systematically by Liebig , whose views found their way into the United States before the middle of the century . The publication of his work in 1840 marked a new era in agricultural chemistry . Before his time ...
... manures were first studied systematically by Liebig , whose views found their way into the United States before the middle of the century . The publication of his work in 1840 marked a new era in agricultural chemistry . Before his time ...
Página 126
... manure for all varieties of soils and plants . Systematic work in the chemical analysis of soils in the United States began in 1850 , when D. D. Owens made an extensive chemical examination of the soils of Kentucky in connection with ...
... manure for all varieties of soils and plants . Systematic work in the chemical analysis of soils in the United States began in 1850 , when D. D. Owens made an extensive chemical examination of the soils of Kentucky in connection with ...
Página 131
... manures may often occur from this source . It is the part of scientific agriculture to determine how to minimize the activity of inimical ferments . Bacteria providing nitrogenous food for plants seem to be of FERTILIZERS 131.
... manures may often occur from this source . It is the part of scientific agriculture to determine how to minimize the activity of inimical ferments . Bacteria providing nitrogenous food for plants seem to be of FERTILIZERS 131.
Otras ediciones - Ver todas
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