The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
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Página 35
... of homotyposis devel- oped by Prof Karl Pearson in his work at University College , Eng- land , but space forbids a discussion of the matter here . tion of variation may be , the scientific wheat grower IMPROVEMENT OF WHEAT 35 35.
... of homotyposis devel- oped by Prof Karl Pearson in his work at University College , Eng- land , but space forbids a discussion of the matter here . tion of variation may be , the scientific wheat grower IMPROVEMENT OF WHEAT 35 35.
Página 36
... grower utilizes the process in two different ways , by the simple process of se- lection , or by the compound process of selection , hybridization and selection . Selection is an unfailing means for the modification of form and tendency ...
... grower utilizes the process in two different ways , by the simple process of se- lection , or by the compound process of selection , hybridization and selection . Selection is an unfailing means for the modification of form and tendency ...
Página 39
... growers in the last century has increased the sugar content of sugar beets more than 100 per cent . Six years of selection at the Minne- sota station increased the length of flax fiber over 20 per cent . Hays estimates that the farmers ...
... growers in the last century has increased the sugar content of sugar beets more than 100 per cent . Six years of selection at the Minne- sota station increased the length of flax fiber over 20 per cent . Hays estimates that the farmers ...
Página 51
... grower is so situated that he must purchase his seed , and he should not follow the common practice of waiting to do this until the sowing season has arrived . It is then too late to ascertain the origin and history of the grain , or ...
... grower is so situated that he must purchase his seed , and he should not follow the common practice of waiting to do this until the sowing season has arrived . It is then too late to ascertain the origin and history of the grain , or ...
Página 53
... grower , in looking for a wheat with the proper origin and history , should have a knowledge of the main facts and laws set forth in this and the previous chapter , and should select seed according to the needs of his environment . He ...
... grower , in looking for a wheat with the proper origin and history , should have a knowledge of the main facts and laws set forth in this and the previous chapter , and should select seed according to the needs of his environment . He ...
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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