The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd Company, 1922 - 369 páginas |
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Página 11
... radicle . This and the two other roots that soon appear form the whorl of three seminal or temporary roots . The crown of roots usually 705 grows about an inch beneath the soil , irrespective THE WHEAT GRAIN AND PLANT 11.
... radicle . This and the two other roots that soon appear form the whorl of three seminal or temporary roots . The crown of roots usually 705 grows about an inch beneath the soil , irrespective THE WHEAT GRAIN AND PLANT 11.
Página 13
... usually hollow , but in some varieties they are quite filled with pith . The length varies greatly in different varieties , soils and seasons , a fact which results in greater variation in size and yield of straw than of grain . Common ...
... usually hollow , but in some varieties they are quite filled with pith . The length varies greatly in different varieties , soils and seasons , a fact which results in greater variation in size and yield of straw than of grain . Common ...
Página 14
... usually give the head of wheat a square appearance when viewed endwise . Viewed from the side , the spike may be straight curved ; it may have uniform sides , or taper toward both ends , or only toward base or apex ; or it may be ...
... usually give the head of wheat a square appearance when viewed endwise . Viewed from the side , the spike may be straight curved ; it may have uniform sides , or taper toward both ends , or only toward base or apex ; or it may be ...
Página 15
... usually formed on a spike of wheat , the aver- age length of which is between 3 and 4 inches . IIumboldt said that in Mexico each spike of wheat averaged 90 grains , though some had as many as 160. Mummy wheat has been observed with ...
... usually formed on a spike of wheat , the aver- age length of which is between 3 and 4 inches . IIumboldt said that in Mexico each spike of wheat averaged 90 grains , though some had as many as 160. Mummy wheat has been observed with ...
Página 17
... usually at least six , but there may be from two to several dozen in extreme cases , 52 spikes having been ob- served . As a rule , the more favorable the con- ditions for plant growth , and the thinner the wheat is on the ground , the ...
... usually at least six , but there may be from two to several dozen in extreme cases , 52 spikes having been ob- served . As a rule , the more favorable the con- ditions for plant growth , and the thinner the wheat is on the ground , the ...
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Términos y frases comunes
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 factor farm farmers fertilizers field 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 operation Pacific coast phosphoric acid plow potash pounds practically produced profitable railroads raised 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