The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
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Página 28
... Average of eight un - 1 favorable harv's : Plat 2 - Farm yard ) manure 57.4 54.5 1967 5574 1.96 2.06 Plat 3 - Unmanu'd 54.3 51.1 823 2433 1.98 2.08 Plat 10A - Ammo - 1 nium salts alone . 53.7 46.7 1147 3601 2.25 1.91 Composition as ...
... Average of eight un - 1 favorable harv's : Plat 2 - Farm yard ) manure 57.4 54.5 1967 5574 1.96 2.06 Plat 3 - Unmanu'd 54.3 51.1 823 2433 1.98 2.08 Plat 10A - Ammo - 1 nium salts alone . 53.7 46.7 1147 3601 2.25 1.91 Composition as ...
Página 37
... average yield of 28.3 bushels per acre , while during the same years the un- 1 Georgics I. , lines 286-288 . 2 Neb . Bul . 32 , p . 91 . Kan . Buls . 20 , 33 , 40 and 59 . selected parent sort yielded only 22.5 bushels , an increase ...
... average yield of 28.3 bushels per acre , while during the same years the un- 1 Georgics I. , lines 286-288 . 2 Neb . Bul . 32 , p . 91 . Kan . Buls . 20 , 33 , 40 and 59 . selected parent sort yielded only 22.5 bushels , an increase ...
Página 38
... average gain of about 3.6 per cent in favor of selection . Principles differ- ing somewhat from those usually followed in selection were 5 4 CROSSING AS A CAUSE OF VARIATION : Yield in grain of 100 plants , showing greater variation in ...
... average gain of about 3.6 per cent in favor of selection . Principles differ- ing somewhat from those usually followed in selection were 5 4 CROSSING AS A CAUSE OF VARIATION : Yield in grain of 100 plants , showing greater variation in ...
Página 42
... average much poorer than either parent . Its great value lies in throwing together qualities and multi- plying variations , both of which may be developed by selec- tion . This greatly increased variation has been explained on the ...
... average much poorer than either parent . Its great value lies in throwing together qualities and multi- plying variations , both of which may be developed by selec- tion . This greatly increased variation has been explained on the ...
Página 69
... average amount sown per acre in the United States is 1 % bushels in the winter wheat regions , 11⁄2 bushels in the spring wheat regions , 7 to 9 pecks in the Middle Atlantic states , 6 to 8 pecks in the Mississippi and Ohio valleys ...
... average amount sown per acre in the United States is 1 % bushels in the winter wheat regions , 11⁄2 bushels in the spring wheat regions , 7 to 9 pecks in the Middle Atlantic states , 6 to 8 pecks in the Mississippi and Ohio valleys ...
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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