The Cereals in AmericaOrange Judd Company, 1912 - 421 páginas |
Dentro del libro
Página 66
... tion breed true to the botanical types of the mother plant . Whether the corre- lated characteristics combined in making up the unit of higher value per acre will continue their united excellence has been questioned . Hays ' experience ...
... tion breed true to the botanical types of the mother plant . Whether the corre- lated characteristics combined in making up the unit of higher value per acre will continue their united excellence has been questioned . Hays ' experience ...
Página 73
... tion , the residual effect of which is beneficial to the wheat crop . The best results are obtained in the indirect method when both features are combined in the system of rotation . 119. Rotations . - The rotation of crops has been ...
... tion , the residual effect of which is beneficial to the wheat crop . The best results are obtained in the indirect method when both features are combined in the system of rotation . 119. Rotations . - The rotation of crops has been ...
Página 81
... tion of the growth of weeds and the conservation of the soil moisture , and whichever method most nearly accomplishes these results will probably be best . Plowing is not necessary for root penetration in the friable soils of the spring ...
... tion of the growth of weeds and the conservation of the soil moisture , and whichever method most nearly accomplishes these results will probably be best . Plowing is not necessary for root penetration in the friable soils of the spring ...
Página 94
... tion of chess seed in the grain seriously injures its market value , as the chess must be removed before the wheat is ground . The machinery for this purpose in large milling establish- ments has reached great perfection . Hackel says ...
... tion of chess seed in the grain seriously injures its market value , as the chess must be removed before the wheat is ground . The machinery for this purpose in large milling establish- ments has reached great perfection . Hackel says ...
Página 97
... tion has been de- stroyed by the pink fungus . One- half natural size . ( After Selby . ) 149. STINKING SMUT . - Stinking smut is closely allied to the loose smut of wheat , in form and habit , although differing from it in the ...
... tion has been de- stroyed by the pink fungus . One- half natural size . ( After Selby . ) 149. STINKING SMUT . - Stinking smut is closely allied to the loose smut of wheat , in form and habit , although differing from it in the ...
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Términos y frases comunes
aleurone aleurone layer average barley bran breeding bushels bushels per acre carpels cent cereals chinch bug climate color common wheat corn crop crude fiber culm cultivated dent maize drill dry matter ears embryo endosperm feet fertilizers field five flour flowering glume fodder four germination gliadin glumes gluten grade grain grass grown growth harvested Hessian fly hull husk Illinois Station inches deep increase injury insects land less maize plant manure maturity medium method million bushels nitrogen North North Dakota oats obtained one-half outer glume panicle percentage plat plowing pollen pounds produced protein rachis rainfall Red Winter Wheat rice ripening roots rows season seed bed silage smut soil sowing sown species spike spikelets spring wheat stalks starch stover straw sweet maize tassel threshing tion U. S. Dept usually variation vary weeds winter wheat yellow yield of grain