Characterizing differences in the phosphorus activation coefficient of three typical cropland soils and the influencing factors under long-term fertilization

• Qihua Wu,

  Affiliation Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences/National Engineering Laboratory for Improving Quality of Arable Land, Beijing, P. R. China

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• Shuxiang Zhang ,

  * E-mail: zhangshuxiang@caas.cn

  Affiliation Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences/National Engineering Laboratory for Improving Quality of Arable Land, Beijing, P. R. China

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• Ping Zhu,

  Affiliation Centre of Agricultural Environment and Resources, Jilin Academy of Agricultural Sciences, Changchun, China

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• Shaomin Huang,

  Affiliation Institute of Plant Nutrition, Resources and Environment, Henan Academy of Agricultural Sciences, Zhengzhou, China

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• Boren Wang,

  Affiliation Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences/National Engineering Laboratory for Improving Quality of Arable Land, Beijing, P. R. China

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• LinPing Zhao,

  Affiliation Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences/National Engineering Laboratory for Improving Quality of Arable Land, Beijing, P. R. China

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• Minggang Xu

  Affiliation Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences/National Engineering Laboratory for Improving Quality of Arable Land, Beijing, P. R. China

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