The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 127
... different depths of the soil which they invade . Much progress has been made toward determining by analysis the fertilizers needed by a particular soil . A BATTERY OF TWENTY SELF - BINDING HARVESTERS AT WORK FERTILIZERS 127.
... different depths of the soil which they invade . Much progress has been made toward determining by analysis the fertilizers needed by a particular soil . A BATTERY OF TWENTY SELF - BINDING HARVESTERS AT WORK FERTILIZERS 127.
Página 130
... determining the yield and quality of crops , the wide differences observed on different soils being mainly due to other factors . " It appears , further , that prac- tically all soils contain sufficient plant food for a good crop yield ...
... determining the yield and quality of crops , the wide differences observed on different soils being mainly due to other factors . " It appears , further , that prac- tically all soils contain sufficient plant food for a good crop yield ...
Página 134
... determining the value of such application , it must , of course , be remembered that more than one crop is benefited . The wheat crop may be increased either by direct fertilizing or by the residual effect of fertilizers ap- plied to ...
... determining the value of such application , it must , of course , be remembered that more than one crop is benefited . The wheat crop may be increased either by direct fertilizing or by the residual effect of fertilizers ap- plied to ...
Página 154
... two are the ones most complained of , the amount of grain actually eaten would not seem to be the 1 N. D. An . Report ( 1904 ) , p . 45 . only factor to be considered in determining the relative harm- 154 THE BOOK OF WHEAT.
... two are the ones most complained of , the amount of grain actually eaten would not seem to be the 1 N. D. An . Report ( 1904 ) , p . 45 . only factor to be considered in determining the relative harm- 154 THE BOOK OF WHEAT.
Página 155
... determining the relative harm- fulness of the species . The dove , the sparrow and the crow also eat grain from the fields , as do many other species . None of these birds are , however , entirely harmful ; indeed the good that many of ...
... determining the relative harm- fulness of the species . The dove , the sparrow and the crow also eat grain from the fields , as do many other species . None of these birds are , however , entirely harmful ; indeed the good that many of ...
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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