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长期施肥对不同有机质含量农田黑土活性有机氮组分的影响
郑利远,陈一民,焦晓光,隋跃宇
Effects of Long-term Fertilization on Soil Labile Organic Nitrogen in Arable Moliisols Under Different Organic Matter Levels
中国农学通报 . 2016, (5): 96 -100 .  DOI: 10.11924/j.issn.1000-6850.casb15080150