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    Fluorescence Characteristics of Humic Acid in Chinese Black Soil under Long-Term Fertilization by Dan Wei, Yan Li, Shan-shan Cai, Liang Jin, Yu-mei Li, Wei Wang, Yang Bai, Yu Hu, Nicholas Clarke

    Published 2019-01-01
    “…The fluorescence properties of humic acids from black soils in Harbin, northeast China, were investigated, after long-term fertilization using treatments with or without mineral fertilizer (NPK) and organic manure. …”
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