Zhang Lijian: Doctor, researcher, doctoral advisor, former vice president of the Chinese Academy of Agriculture, deputy director of the National Expert Committee on Quality and Safety Risk Assessment of Agricultural Products, chairman of the Agricultural Branch of the China Association of Old Scientists and Technicians, deputy leader of the New Professional Farmers Training Expert Advisory Group of the Ministry of Agriculture, member of the Science and Technology Committee of the Ministry of Agriculture, member of the Science and Technology Committee of the Ministry of Environmental Protection, member of the Science and Technology Innovation Project Strategic Advisory Committee of the Chinese Academy of Agricultural Sciences Director of the Research Center for Agricultural Stereoscopic Pollution Prevention and Control and Environmental Quality of Producing Areas, Chinese Academy of Agricultural Sciences, and member of the National Agricultural Going Global Expert Advisory Committee.