The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
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Página 138
... pounds of the acid should be applied to an acre of land . Lime . It has been claimed that this is one of the first mineral elements to show depletion . Sourness of soil often results . To correct this and supply lime , 20 to 40 bushels ...
... pounds of the acid should be applied to an acre of land . Lime . It has been claimed that this is one of the first mineral elements to show depletion . Sourness of soil often results . To correct this and supply lime , 20 to 40 bushels ...
Página 140
... pounds of phosphorus and 680 pounds of potassium , besides the nitrogen leached into the soil before the straw was burned . This immensely increases the yield of wheat . Mulching with straw does not seem to be of any benefit to wheat ...
... pounds of phosphorus and 680 pounds of potassium , besides the nitrogen leached into the soil before the straw was burned . This immensely increases the yield of wheat . Mulching with straw does not seem to be of any benefit to wheat ...
Página 141
... pounds of potash , 116 pounds of phosphoric acid , and 107 pounds of nitrogen . The same amount of Delaware river water contains 741.08 pounds of materials , while the Mississippi , St. Lawrence , Amazon and La Plata rivers average 655.6 ...
... pounds of potash , 116 pounds of phosphoric acid , and 107 pounds of nitrogen . The same amount of Delaware river water contains 741.08 pounds of materials , while the Mississippi , St. Lawrence , Amazon and La Plata rivers average 655.6 ...
Página 144
... pounds , or 2 per cent , of potash in the first foot of ground . A crop of wheat removes about 15 pounds of potash from each acre . It has been estimated that the first eight inches of soil contain on an average enough nitrogen to last ...
... pounds , or 2 per cent , of potash in the first foot of ground . A crop of wheat removes about 15 pounds of potash from each acre . It has been estimated that the first eight inches of soil contain on an average enough nitrogen to last ...
Página 145
... pound of commercial fertilizer . The average Kansas wheat grower has given little thought yet to fertilizing , but " his methods will change with the years and the necessities . ' In Minnesota , " results already reached warrant the ...
... pound of commercial fertilizer . The average Kansas wheat grower has given little thought yet to fertilizing , but " his methods will change with the years and the necessities . ' In Minnesota , " results already reached warrant the ...
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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