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Effects of placement methods on recovery of applied N(15N-labelled urea)in lowlarice 学位论文
: 中国科学院南京土壤研究所, 1982
Cao Zhihong
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Characteristies of the fate and efficiency of nitrogen in suppergranules of urea 期刊论文
Fertilizer Research, 1982
Chen Rong-ye,Zhu Zhao-liang
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