日本作物学会紀事
Online ISSN : 1349-0990
Print ISSN : 0011-1848
ISSN-L : 0011-1848
畑作付改善に関する研究 : (第2報) 冬作物の跡地土壤に於ける夏作物の生育について
近藤 源吉福永 雅一種田 芳基
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ジャーナル フリー

1958 年 26 巻 3 号 p. 224

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We had non-fertilizers and 3 nutrient elements plots in soils that 4 winter cops had been cultivated on, and millet and peanut under these plots were cultivated in pots. The highest growth and dry matter of millet following winter crops, were in the following order : common vetch>rape>naked barley and wheat, in the dry matter of peanut so like. Residual P2O5 and K2O in these soils were more effective on succeeding crops than the N, but generally we recognized a little effect on the crops following wheat and naked barley. The effect of 3 nutrient elements was remerkable on the crops following common vetch and rape, on all crops that of N was so, but on the crops following wheat and naked barley that of P2O5 was a little. As stated above, this test showed the same results as field test, application of N did remerkable effect, and so pot test instead of field test may be able to know the relation of succeeding crops to preceding crops.
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