The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryOrange Judd Company, 1919 - 369 páginas |
Dentro del libro
Resultados 1-5 de 40
Página 13
... moisture . The roots do not branch or feed much in the region just below that stirred by the plow , if that region is hard and gummy , as is often the case . The upper whorls give forth roots that are larger and coarser , and which ...
... moisture . The roots do not branch or feed much in the region just below that stirred by the plow , if that region is hard and gummy , as is often the case . The upper whorls give forth roots that are larger and coarser , and which ...
Página 16
... moisture , warmth and oxygen . In the ab- -2 & 3 2345 sence of any one of these the process will not begin , or if it has begun it will cease . Johnson de- fines the period of germination as lasting from the time when the rootlet ...
... moisture , warmth and oxygen . In the ab- -2 & 3 2345 sence of any one of these the process will not begin , or if it has begun it will cease . Johnson de- fines the period of germination as lasting from the time when the rootlet ...
Página 18
... moisture , heat and food . In the absence of any one of these , the plant dies , and in their disproportionate combina- tion , growth is sickly . In germination , food is furnished by the seed , and light is not essential . Over light ...
... moisture , heat and food . In the absence of any one of these , the plant dies , and in their disproportionate combina- tion , growth is sickly . In germination , food is furnished by the seed , and light is not essential . Over light ...
Página 26
... moisture . Changes in the moisture content of the air cause corresponding variations in wheat , and consequently in its weight . Usually such fluctuations in weight do not exceed 6 per cent , but they may be as much as 25 per cent , and ...
... moisture . Changes in the moisture content of the air cause corresponding variations in wheat , and consequently in its weight . Usually such fluctuations in weight do not exceed 6 per cent , but they may be as much as 25 per cent , and ...
Página 49
... moisture . Climate and season both affect the length of the period of growth . This has an important in- fluence on the chemical composition of wheat , for a short sea- son of growth raises the percentage of protein and lowers that of ...
... moisture . Climate and season both affect the length of the period of growth . This has an important in- fluence on the chemical composition of wheat , for a short sea- son of growth raises the percentage of protein and lowers that of ...
Otras ediciones - Ver todas
Términos y frases comunes
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