Clovers and how to Grow ThemOrange Judd Company, 1906 - 349 páginas |
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Página 72
... supply its own nitrogen , it may be successfully grown on lands that are not clean , and that may not possess high fertility , but when thus sown the nurse crop with which it is usually sown is not likely to succeed well , because of ...
... supply its own nitrogen , it may be successfully grown on lands that are not clean , and that may not possess high fertility , but when thus sown the nurse crop with which it is usually sown is not likely to succeed well , because of ...
Página 73
... supply the needs of the crops alternating with it in the line of humus , and also in that of nitrogen . In time the supply of phosphoric acid and potash might run low , but not for a long term of years . The cultivation given to the ...
... supply the needs of the crops alternating with it in the line of humus , and also in that of nitrogen . In time the supply of phosphoric acid and potash might run low , but not for a long term of years . The cultivation given to the ...
Página 78
... supply of moisture in the soil at that sea- son . They are more firmly rooted than plants sown later , and , therefore , can better withstand the dry weather that frequently characterizes the later months of the summer . There is also ...
... supply of moisture in the soil at that sea- son . They are more firmly rooted than plants sown later , and , therefore , can better withstand the dry weather that frequently characterizes the later months of the summer . There is also ...
Página 84
... supply of moisture is low , in the struggle for the same between the stronger plants of the nurse crop and the weaker plants of the clover , the former secures the larger share . As a result , when the nurse crop is harvested , should ...
... supply of moisture is low , in the struggle for the same between the stronger plants of the nurse crop and the weaker plants of the clover , the former secures the larger share . As a result , when the nurse crop is harvested , should ...
Página 111
... supply of phosphoric acid and potash may be so reduced that the soil will not grow even good crops of clover . When this point is reached the soil is spoken of as " clover sick . " Happily , how- ever , nearly all soils are so well ...
... supply of phosphoric acid and potash may be so reduced that the soil will not grow even good crops of clover . When this point is reached the soil is spoken of as " clover sick . " Happily , how- ever , nearly all soils are so well ...
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Términos y frases comunes
alfalfa alsike clover areas autumn bacteria bloom burr clover bushels catch crop cattle climate clover plants clover seed cocks considerable corn crimson clover cultivation cured cut for hay disking early ensilage 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 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 stored subsoil sufficient surface sweet clover swine threshed timothy tion Trifolium ture usually sown varieties of clover vigorous weather weeds white clover winrows winter winter rye young plants
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