Changes in Olsen Phosphorus Concentration and Its Response to Phosphorus Balance in Black Soils under Different Long-Term Fertilization Patterns

• Xiaoying Zhan,

  Affiliation Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences/ National Engineering Laboratory for Improving Quality of Arable Land, Beijing, 100081, P. R. China

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• Li Zhang,

  Affiliation Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences/ National Engineering Laboratory for Improving Quality of Arable Land, Beijing, 100081, P. R. China

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• Baoku Zhou,

  Affiliation Soil and Fertilizer Institute, Heilongjiang Academy of Agricultural Sciences, Harbin, Heilongjiang 150086, P. R. China

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• Ping Zhu,

  Affiliation Center of Agricultural Environment and Resources, Jilin Academy of Agricultural Sciences, Gongzhuling, Jilin 136100, 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, 100081, 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, 100081, P. R. China

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