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中国农学通报
宁夏盐池县生态退耕前后农资投入时空变化分析
王秀红 谢国勋
Changes in Agricultural Material Inputs before and after Ecological Restoration in Yanchi County, Ningxia
中国农学通报 . 2011, (32): 211 -215 .  DOI: 10.11924/j.issn.1000-6850.2011-1474