The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 13
... Early spring and summer rains cause shallow rooting . In the absence of these rains in the far west , a deeper root system , capable of resisting superficial droughts , is developed . Poor soil causes the roots to age rapidly . Culms ...
... Early spring and summer rains cause shallow rooting . In the absence of these rains in the far west , a deeper root system , capable of resisting superficial droughts , is developed . Poor soil causes the roots to age rapidly . Culms ...
Página 17
... early development may re- sult in a long period of subsequent growth which encourages tillering . Time of seeding also has great influence , for late sown wheat may not have time to stool . The habit varies quite materially in different ...
... early development may re- sult in a long period of subsequent growth which encourages tillering . Time of seeding also has great influence , for late sown wheat may not have time to stool . The habit varies quite materially in different ...
Página 21
... early in the morning , and may require less than an hour of time . After its completion the ovule ( seed ) grows very rapidly to maturity . The embryo develops first , and then the endosperm . The Most Favorable Ripening of wheat ...
... early in the morning , and may require less than an hour of time . After its completion the ovule ( seed ) grows very rapidly to maturity . The embryo develops first , and then the endosperm . The Most Favorable Ripening of wheat ...
Página 29
... Early Significance . - The culture of wheat has perhaps never been exclusively the subject of individual effort , but has also always been the subject of institutional essay , however vague and remote . Since the latter phase of wheat ...
... Early Significance . - The culture of wheat has perhaps never been exclusively the subject of individual effort , but has also always been the subject of institutional essay , however vague and remote . Since the latter phase of wheat ...
Página 30
... early days the farmer looked to better informed powers than those of human origin for the solution of difficult problems . Wily and insinuating shamans and medicine men astutely took a benevolent interest in him by unfolding , in ...
... early days the farmer looked to better informed powers than those of human origin for the solution of difficult problems . Wily and insinuating shamans and medicine men astutely took a benevolent interest in him by unfolding , in ...
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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