The affiliated unit where this project team is located, Jinggangshan University, is a key unit supported by the Ministry of Education. Its laboratories of Prevention and Control of Agricultural Environmental Pollution in Hilly Red Soil Areas and Biodiversity and Ecological Engineering are key laboratories in Jiangxi Province, and the laboratory of Environmental Monitoring and Pollution Control is a key laboratory in Ji'an City. It has basically possessed the instruments, equipment and experimental sites required for the experiments of this project. The affiliated unit has established a long-term cooperative relationship with the Qianyanzhou Hilly Red Soil Comprehensive Development Experimental Station of the Chinese Academy of Sciences in the local area. The soil monitoring sites constructed by this experimental station can be used for this project.