The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 93
... containing from 3,000 to 20,000 acres of land . The steam com- bined harvester was put on the market in a commercial way in 1892. The average life of the machine is from 8 to 15 years . The great advantages of this machine are economy ...
... containing from 3,000 to 20,000 acres of land . The steam com- bined harvester was put on the market in a commercial way in 1892. The average life of the machine is from 8 to 15 years . The great advantages of this machine are economy ...
Página 120
... contain much salt in so- lution , which results in a further deposition of salt . The result of these factors is often ... containing over 1,000 parts of. THE FURROW METHOD OF IRRIGATING THE COMBINED GRAIN AND COMMERCIAL. 120 THE BOOK OF ...
... contain much salt in so- lution , which results in a further deposition of salt . The result of these factors is often ... containing over 1,000 parts of. THE FURROW METHOD OF IRRIGATING THE COMBINED GRAIN AND COMMERCIAL. 120 THE BOOK OF ...
Página 121
... containing over 1,000 parts of salt in a million has been used without injury . Most of the artesian wells of Dakota have a salt content much higher than this , and the effects of irrigating three or four years with this water rendered ...
... containing over 1,000 parts of salt in a million has been used without injury . Most of the artesian wells of Dakota have a salt content much higher than this , and the effects of irrigating three or four years with this water rendered ...
Página 124
... containing in solution a varying amount of the soluble soil constituents ; ( 4 ) the soil atmosphere , differing from air in composition to some extent , and usually saturated with water vapor ; and ( 5 ) soil ferments , or bacteria ...
... containing in solution a varying amount of the soluble soil constituents ; ( 4 ) the soil atmosphere , differing from air in composition to some extent , and usually saturated with water vapor ; and ( 5 ) soil ferments , or bacteria ...
Página 125
... contain , and in part nourish . To understand the effect and value of fertilizers , a knowledge of the chemical and physical composition of soils , and of the re- lation of their composition to plant growth is essential . These things ...
... contain , and in part nourish . To understand the effect and value of fertilizers , a knowledge of the chemical and physical composition of soils , and of the re- lation of their composition to plant growth is essential . These things ...
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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