The Book of Wheat: An Economic History and Practical Manual of the Wheat IndustryO. Judd, 1908 - 369 páginas |
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... Header Wheat Header in Operation An Early English Reaper . A Modern Self - Rake Reaper . · • A Modern Self - Binding Harvester . Section of a Modern Threshing Machine Combined Harvester and Thresher . Typical Wheat Field Where Rotation ...
... Header Wheat Header in Operation An Early English Reaper . A Modern Self - Rake Reaper . · • A Modern Self - Binding Harvester . Section of a Modern Threshing Machine Combined Harvester and Thresher . Typical Wheat Field Where Rotation ...
Página 68
... be used advantageously for broadcasting small areas . Perhaps the only region in the world where nature still. A TYPICAL FORCE FEED BROADCAST SEEDER THE GALLIC HEADER , DESCRIBED BY PLINY A. D. 70. 89 THE BOOK OF WHEAT 68.
... be used advantageously for broadcasting small areas . Perhaps the only region in the world where nature still. A TYPICAL FORCE FEED BROADCAST SEEDER THE GALLIC HEADER , DESCRIBED BY PLINY A. D. 70. 89 THE BOOK OF WHEAT 68.
Página 80
... it . HARVESTING MACHINERY The Header . All reaping devices thus far considered have aimed at mechanical advantages alone . All of those subse- quently discussed endeavor , not only to extend and improve 80 THE BOOK OF WHEAT.
... it . HARVESTING MACHINERY The Header . All reaping devices thus far considered have aimed at mechanical advantages alone . All of those subse- quently discussed endeavor , not only to extend and improve 80 THE BOOK OF WHEAT.
Página 81
... header disappeared , and it seems to have been completely forgotten for several centuries . Only through literature ... HEADER IN OPERATION ATTENDED BY STACKING WAGONS which. THE GALLIC HEADER , DESCRIBED BY PLINY A. D. 70 AN EARLY ...
... header disappeared , and it seems to have been completely forgotten for several centuries . Only through literature ... HEADER IN OPERATION ATTENDED BY STACKING WAGONS which. THE GALLIC HEADER , DESCRIBED BY PLINY A. D. 70 AN EARLY ...
Página 82
An Economic History and Practical Manual of the Wheat Industry Peter Tracy Dondlinger. THE WHEAT HEADER IN OPERATION ATTENDED BY STACKING WAGONS which have a practical use and value under conditions similar.
An Economic History and Practical Manual of the Wheat Industry Peter Tracy Dondlinger. THE WHEAT HEADER IN OPERATION ATTENDED BY STACKING WAGONS which have a practical use and value under conditions similar.
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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 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 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
Pasajes populares
Página 77 - Texas, Algeria, Central Asia, China, Japan, Morocco. June — California, Oregon, Mississippi, Alabama, Georgia, North Carolina, South Carolina, Tennessee, Virginia, Kentucky, Kansas, Arkansas, Utah, Colorado, Missouri, Turkey, Greece, Italy, Spain, Portugal, south of France. July — New England, New York. Pennsylvania, Ohio. Indiana, Michigan, Illinois. Iowa, Wisconsin, southern Minnesota, Nebraska, upper Canada, Roumania, Bulgaria, Austria, Hungary, south of Russia, Germany, Switzerland, south...
Página 36 - This preservation of favourable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest.
Página 77 - Columbia, Belgium, Holland, Great Britain, Denmark, Poland, Central Russia. September and October — Scotland, Sweden, Norway, North of Russia. November — Peru, South Africa.
Página 143 - Chief of the Bureau of Soils in the United States Department of Agriculture...
Página 126 - The conclusion logically follows that on the average farm the great controlling factor in the yield of crops is not the amount of plant food in the soil, but is a physical factor the exact nature of which is yet to be determined.
Página 243 - ... made under the rules of some commercial body, by which the conditions as to the unit of amount, the quality, and the time of delivery are stereotyped, and only the determination of the total amount and the price is left open to the contracting parties."* Another important class of transactions are "cash...
Página 130 - It appears, further, that practically all soils contain sufficient plant food for good crop yield, that this supply will be indefinitely maintained, and that the actual yield of plants adapted to the soil depends mainly, under favorable climatic conditions, upon the cultural methods and suitable crop rotation.
Página 125 - ... diversified in appearance and quality ; yet, as it was stated in the Introductory Lecture, they consist of different proportions of the same elements ; which are in various states of chemical combination, or mechanical mixture. The substances which constitute soils have been already mentioned. They are certain compounds of the earths, silica, lime, alumina, magnesia...
Página 137 - Barnyard manure contains all the fertilizing elements required by plants in forms that insure plentiful crops and permanent fertility to the soil. It not only enriches the soil with the nitrogen, phosphoric acid, and potash, which it contains, but it also renders the stored-up materials of the soil more available, improves the mechanical condition of the soil, makes it warmer, and enables it to retain more moisture or to draw it up from below.
Página 74 - We have ploughed, we have sowed, We have reaped, we have mowed We have brought home every load, Hip, hip, hip, Harvest home ! and thus, sir, the whole assembly shout