The Book of Wheat: An Economic History and Practical Manual of the Wheat Industry |
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Página 11
... all conditions, but climate, soil, and the purpose for which wheat is raised must
in each case determine which variety is most profitable. If a variety can be
secured that will yield more under the same conditions than other varieties do,
then ...
... all conditions, but climate, soil, and the purpose for which wheat is raised must
in each case determine which variety is most profitable. If a variety can be
secured that will yield more under the same conditions than other varieties do,
then ...
Página 42
limited to the few very best wheats, for a fairly large number of varieties can be
used profitably for special characteristics. The great advantage of hybridization is
shown in three effects, all of which aid in accomplishing more rapidly the results ...
limited to the few very best wheats, for a fairly large number of varieties can be
used profitably for special characteristics. The great advantage of hybridization is
shown in three effects, all of which aid in accomplishing more rapidly the results ...
Página 54
A low germinating power often means a lack in quality as well as in quantity,
which makes the use of such seed very hazardous. Whether seed will “run out,”
and whether it is profitable occasionally to “change seed'' or not, has long been a
...
A low germinating power often means a lack in quality as well as in quantity,
which makes the use of such seed very hazardous. Whether seed will “run out,”
and whether it is profitable occasionally to “change seed'' or not, has long been a
...
Página 55
The importation of seed is profitable only when differences in the rigors of soil
and climate exist. "Such importations have greatly improved the standard of
American wheats and have also extended the industry of raising them. Foreign
wheats ...
The importation of seed is profitable only when differences in the rigors of soil
and climate exist. "Such importations have greatly improved the standard of
American wheats and have also extended the industry of raising them. Foreign
wheats ...
Página 87
Better economic and social conditions, dearer and scarcer labor, and more level
and extensive grain fields were the conditions that made all agricultural
machinery very profitable in the United States, and caused this country to outstrip
...
Better economic and social conditions, dearer and scarcer labor, and more level
and extensive grain fields were the conditions that made all agricultural
machinery very profitable in the United States, and caused this country to outstrip
...
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Términos y frases comunes
acre agriculture Amer American amount annual Argentina average baked 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 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 land loss macaroni machine machinery manure methods miller milling Minnesota moisture nitrogen North North Dakota operation Pacific coast phosphoric acid plow pounds practically price of wheat 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 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
Información bibliográfica
| Título | The Book of Wheat: An Economic History and Practical Manual of the Wheat Industry |
| Autor | Peter Tracy Dondlinger |
| Editor | O. Judd, 1908 |
| Procedencia del original | Universidad de California |
| Digitalizado | 20 Nov. 2007 |
| Largo | 369 páginas |
| Exportar cita | BiBTeX EndNote RefMan |