The Cereals in AmericaOrange Judd Company, 1912 - 421 páginas |
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Página 27
... surface soil is occupied the roots descend . An abundance of roots has been observed at a depth of four feet , and under favorable conditions they doubtless go much deeper . Schubart traced the roots of a winter wheat plant seven feet ...
... surface soil is occupied the roots descend . An abundance of roots has been observed at a depth of four feet , and under favorable conditions they doubtless go much deeper . Schubart traced the roots of a winter wheat plant seven feet ...
Página 28
... surface of the ground are now scattered along the culm , and in field conditions are comparatively scanty , and apparently inactive , except near the top of the culm , even at the time of blossoming . As the weight of the starch , as ...
... surface of the ground are now scattered along the culm , and in field conditions are comparatively scanty , and apparently inactive , except near the top of the culm , even at the time of blossoming . As the weight of the starch , as ...
Página 30
... surface of the soil . In case the seed is planted two inches deep this rhizome is about one inch long . At the top of this internode a joint bears a leaf , and a few other joints follow at very short intervals , each having a bud in the ...
... surface of the soil . In case the seed is planted two inches deep this rhizome is about one inch long . At the top of this internode a joint bears a leaf , and a few other joints follow at very short intervals , each having a bud in the ...
Página 35
... surface of the grain . These cells are filled with starch granules varying in size and form , but when full grown they are rounded or oval in shape and reach a diameter of thirty - seven micromillimeters , or 675 to the inch.1 The ...
... surface of the grain . These cells are filled with starch granules varying in size and form , but when full grown they are rounded or oval in shape and reach a diameter of thirty - seven micromillimeters , or 675 to the inch.1 The ...
Página 79
... surface soil and by enabling more of the rainfall to be absorbed . In this con- nection the pulverization of the surface after each heavy rainfall , preferably with a spring tooth harrow , is extremely desirable in order to prevent surface ...
... surface soil and by enabling more of the rainfall to be absorbed . In this con- nection the pulverization of the surface after each heavy rainfall , preferably with a spring tooth harrow , is extremely desirable in order to prevent surface ...
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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