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秸秆改良剂对沙质土有机质和阳离子交换量的影响
王训 闫飞 王永敏 王定勇
Effects of Straw Modified Material on Cation Exchange Capacity and Organic Matter of Sandy Soil
中国农学通报 . 2010, (23): 224 -228 .  DOI: 10.11924/j.issn.1000-6850.2010-1306