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[期刊论文] 作者：D.N.Mungai,C.L.Coulson,C.J.Stigter,J.K.Ng’ang’a,D.N.Mugendi,
来源：环境科学学报(英文版) 年份：2001
Alley cropping of Cassia siamea and maize was studied insemi-arid Kenya for soil fertility improvement. Katumani composite maize was planted except in the short...
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