许松林.湖北省宜昌地区土壤有效锌含量分布及施锌肥效益分区[J].土壤学报,1987,24(4):392-394. Xu Songlin. GEOGRAPHICAL DISTRIBUTION OF AVAILABLE ZINC IN SOILS AND DELIMITION OF EFFECT OF ZINC FERTILIZA TION ON THE SOILS IN YICHANG DISTRICT OF HUBEI PROVINCE[J]. Acta Pedologica Sinica,1987,24(4):392-394.
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