土壤有机质对宁夏农业综合开发活动的响应
杨新国, 宋乃平, 刘孝勇, 何秀珍, 方楷
Response of soil organic matter to comprehensive agricultural development in Ningxia province
YANG Xinguo, SONG Naiping, LIU Xiaoyong, HE Xiuzhen, FANG Kai
生态环境学报
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2011, (2): 286
-291
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DOI: 10.16258/j.cnki.1674-5906(2011)02-0286-06
