The Cereals in AmericaOrange Judd Company, 1915 - 421 páginas |
Dentro del libro
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Página 2
... practice of the production of farm crops . The object in plant production is to adapt the environment to the anatomy and physiology of the plant under cultivation with a view to securing crops which are best suited to the uses of man or ...
... practice of the production of farm crops . The object in plant production is to adapt the environment to the anatomy and physiology of the plant under cultivation with a view to securing crops which are best suited to the uses of man or ...
Página 11
... practice is usually the safest guide . There are many exceptions to this , but no safer rule can be given to one about commencing farming in a region with which he has little acquaintance than to follow the practice of the most ...
... practice is usually the safest guide . There are many exceptions to this , but no safer rule can be given to one about commencing farming in a region with which he has little acquaintance than to follow the practice of the most ...
Página 16
... practiced for more than two hundred years . 34. The Difficulty of Control in Breeding Plants . - The pollen of plants cannot ordinarily be confined , while the male domestic animal can be tied up by a halter or confined in a yard . In ...
... practiced for more than two hundred years . 34. The Difficulty of Control in Breeding Plants . - The pollen of plants cannot ordinarily be confined , while the male domestic animal can be tied up by a halter or confined in a yard . In ...
Página 21
... practice , however , crossing is a means of inducing variation , so as to enable the breeder to select forms more nearly suited to his ideal . This is shown by Hays ' in the case of a hybrid between Fife and Blue Stem wheat . Some of ...
... practice , however , crossing is a means of inducing variation , so as to enable the breeder to select forms more nearly suited to his ideal . This is shown by Hays ' in the case of a hybrid between Fife and Blue Stem wheat . Some of ...
Página 24
... practice it is the few inferior animals represented by the lower end of the curve that are dis- carded . In the case of plants , however , embryo plants ( seeds ) are produced in such abundance and at so small expense that only the few ...
... practice it is the few inferior animals represented by the lower end of the curve that are dis- carded . In the case of plants , however , embryo plants ( seeds ) are produced in such abundance and at so small expense that only the few ...
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Términos y frases comunes
aleurone aleurone layer average barley bran breeding bushels bushels per acre butt carpels cent cereals chinch bug climate color common wheat corn crop crude fiber culm cultivated dent maize drills dry matter ears embryo endosperm fertilizers field five flint maize flour flowering glume fodder four gliadin glumes gluten grade grain grass grown growth Hessian fly husk Illinois Station inches deep increase insects land leaf less maize plant manure maturity million bushels nitrogen North North Dakota oats Ohio one-half outer glume percentage phosphoric acid plat plowing pollen pop maize pounds produced protein rachis rainfall Red Winter Wheat ripening roots rows season selection silage smut soil sown species spike spikelets spring wheat stalks starch stover straw sweet maize tassel tion U. S. Dept usually variation varieties of wheat vary weight winter wheat yellow yield of grain