Clovers and how to Grow ThemOrange Judd Company, 1916 - 349 páginas |
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Resultados 1-5 de 26
Página 13
... fertility and much deficient in humus , it may be necessary to apply fertilizers in some form before clovers will grow vigorously . Such are sandy soils that have been much worn by cropping , and also stiff clays in which the humus has ...
... fertility and much deficient in humus , it may be necessary to apply fertilizers in some form before clovers will grow vigorously . Such are sandy soils that have been much worn by cropping , and also stiff clays in which the humus has ...
Página 15
... fertility to grow reasonably good crops of clover , hence it has not usually been found necessary to apply commercial fertilizers to stimulate growth , as in the growing of grasses . In some instances , however , these are not ...
... fertility to grow reasonably good crops of clover , hence it has not usually been found necessary to apply commercial fertilizers to stimulate growth , as in the growing of grasses . In some instances , however , these are not ...
Página 39
... fertility of the same is in- creased in all leading essentials . This increase is partly made at the expense of the fertility in the sub- soil . But the stores of fertility in the subsoil are such usually as to admit of thus being drawn ...
... fertility of the same is in- creased in all leading essentials . This increase is partly made at the expense of the fertility in the sub- soil . But the stores of fertility in the subsoil are such usually as to admit of thus being drawn ...
Página 47
... fertility by feeding deeply in the subsoil , and through the plant food thus gathered , the root system of the plants were so strengthened in the cultivated surface sec- tion of soil as to account for the increased produc- tion in the ...
... fertility by feeding deeply in the subsoil , and through the plant food thus gathered , the root system of the plants were so strengthened in the cultivated surface sec- tion of soil as to account for the increased produc- tion in the ...
Página 48
... fertility was added by the clover plants gathering fertility in the subsoil and depositing it so near the surface that it became easily accessible to the roots of other plants sown after the clover and which had not the same power of ...
... fertility was added by the clover plants gathering fertility in the subsoil and depositing it so near the surface that it became easily accessible to the roots of other plants sown after the clover and which had not the same power of ...
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Términos y frases comunes
acre adaptation alfalfa alsike clover areas autumn bacteria bloom burr clover bushels catch crop cattle climate clover plants clover seed considerable corn crimson clover cultivation cured cut for hay disking early especially favorable feeding fertility follow furnish grass grazing ground growing alfalfa grown habit of growth harrow harvested hence humus injury instances irrigation Japan clover land legumes less loam mammoth clover medium red clover medium red variety moist moisture mountain mower necessary nitrogen North nurse crop oats obtained pasture phosphoric acid plowed potash pounds prairie probably produce rain roots rotation sainfoin sand lucerne season seed crop seed is sown seed-bed sheep small cereal grains small white soiling food sorghum South sowing clover sowing the seed spring stack stems subsoil sufficient surface sweet clover swine tap roots threshed timothy tion Trifolium ture usually sown varieties of clover vigorous weather weeds white clover winrows winter winter rye young plants