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中国农学通报
长三角蔬菜种植区土壤有机质与氮素含量分析
孙晓 钟敏 庄舜尧
Investigation of Organic Matter and Nitrogen of Vegetable Soils in the region of Yangtze River Delta
中国农学通报 . 2011, (8): 167 -171 .  DOI: 10.11924/j.issn.1000-6850.2010-2300