Effects of long-term fertilization on soil humic acid composition and structure in Black Soil

• Jiuming Zhang,

  Roles Data curation, Formal analysis, Software, Visualization, Writing – original draft, Writing – review & editing

  Affiliations College of Land and Environment, Shenyang Agricultural University, Shenyang, China, Soil Fertilizer and Environment Resources Institute, Heilongjiang Academy of Agricultural Sciences, Key Laboratory of Soil Environment and Plant Nutrition of Harbin, Heilongjiang Province, China

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• Jingkuan Wang ,

  Roles Conceptualization, Investigation, Project administration, Supervision, Writing – review & editing

  * E-mail: j-kwang@163.com (JW); atting@126.com (TA)

  Affiliation College of Land and Environment, Shenyang Agricultural University, Shenyang, China

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• Tingting An ,

  Roles Conceptualization, Visualization, Writing – review & editing

  * E-mail: j-kwang@163.com (JW); atting@126.com (TA)

  Affiliation College of Land and Environment, Shenyang Agricultural University, Shenyang, China

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• Dan Wei,

  Roles Data curation, Funding acquisition, Investigation, Resources, Supervision

  Affiliation Soil Fertilizer and Environment Resources Institute, Heilongjiang Academy of Agricultural Sciences, Key Laboratory of Soil Environment and Plant Nutrition of Harbin, Heilongjiang Province, China

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• Fengqin Chi,

  Roles Methodology

  Affiliation Soil Fertilizer and Environment Resources Institute, Heilongjiang Academy of Agricultural Sciences, Key Laboratory of Soil Environment and Plant Nutrition of Harbin, Heilongjiang Province, China

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• Baoku Zhou

  Roles Methodology

  Affiliation Soil Fertilizer and Environment Resources Institute, Heilongjiang Academy of Agricultural Sciences, Key Laboratory of Soil Environment and Plant Nutrition of Harbin, Heilongjiang Province, China

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