Effect of different sulfur fertilizers and flooding regimes on availability and distribution of copper in polluted paddy soils(不同形态硫肥和淹水时间段对污染水稻土中铜活性和分布的影响)... od ZHUShenhai(朱神海), YANGJianjun(杨建军), SUNLijuan(孙丽娟), SHIJiyan(施积炎)

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