1. National Engineering Laboratory for Improving Quality of Arable Land, Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences Beijing China
2. National Observation Station of Qiyang Agri‐ecology System; Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences Qiyang Hunan China
3. National Engineering and Technology Research Center for Red Soil Improvement Jiangxi Institute of Red Soil Nanchang China
4. College of Agriculture Henan University of Science and Technology Luoyang China
5. Soil and Fertilizer & Resources and Environmental Institute Jiangxi Academy of Agricultural Sciences Nanchang China