长期定位施肥对土壤有机质、不同形态氮含量及作物产量的影响
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刘学彤 1( ), 郑春莲 1, 曹薇 2, 党红凯 1, 曹彩云 1,3, 李晓爽 4, 李科江 1,3, 马俊永 1,3( )
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Effects of Long-Term Located Fertilization on Soil Organic Matter, Nitrogen Forms and Crop Yields
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Liu Xuetong 1( ), Zheng Chunlian 1, Cao Wei 2, Dang Hongkai 1, Cao Caiyun 1,3, Li Xiaoshuang 4, Li Kejiang 1,3, Ma Junyong 1,3( )
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图2. 不同处理土壤全氮含量
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Fig.2. Soil total nitrogen contents in different treatments
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