The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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Página 61
... plow to every 10 small plows in 1900 . There have also been experiments with electricity as a motor power in agriculture . Plowing . The first plow was simply a " sharpened piece of wood or the crotched limb of a tree , " and was ...
... plow to every 10 small plows in 1900 . There have also been experiments with electricity as a motor power in agriculture . Plowing . The first plow was simply a " sharpened piece of wood or the crotched limb of a tree , " and was ...
Página 62
... plow with their tails . An attempt was made to abolish this practice in Ireland by act of Parliament in 1634. Arthur Young ( 1741-1820 ) mentioned it in his time , however , and Gibbons maintained that it was still to be found in remote ...
... plow with their tails . An attempt was made to abolish this practice in Ireland by act of Parliament in 1634. Arthur Young ( 1741-1820 ) mentioned it in his time , however , and Gibbons maintained that it was still to be found in remote ...
Página 63
... plow was first patented in the United States in 1797. A patent on an adjustable cast iron point in 1818 marks the introduction of the most useful economy in plow manufacture , the interchangeability of parts . Modern Plows are ...
... plow was first patented in the United States in 1797. A patent on an adjustable cast iron point in 1818 marks the introduction of the most useful economy in plow manufacture , the interchangeability of parts . Modern Plows are ...
Página 65
... plowing should vary with the climate and with the nature of the soil and the subsoil . The limits of the va- riations usually found advantageous are between four and eight inches in depth . Subsoiling . As the common plow is in effect a ...
... plowing should vary with the climate and with the nature of the soil and the subsoil . The limits of the va- riations usually found advantageous are between four and eight inches in depth . Subsoiling . As the common plow is in effect a ...
Página 66
... plow furrow , often by a mere child , who carried a bag or wooden hopper ( known as a seedlip or seedcod ) full of grain in front of the horses or oxen drawing the plow . The same practice prevails in east central India , a woman taking ...
... plow furrow , often by a mere child , who carried a bag or wooden hopper ( known as a seedlip or seedcod ) full of grain in front of the horses or oxen drawing the plow . The same practice prevails in east central India , a woman taking ...
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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