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1991年第1期土城圈物质循环研究与土壤学的发展··············,,··················································……赵其国(1)江苏省水稻土的肥力特征及其培育···················
1991 No. 1 Tucheng circle of material circulation and soil science research development ... ... ... ... ... ... ... ... ···································································································································································································································································································· Zhao Qiguo ···································