Chen Changqing, male, doctor, from Wuhan, Hubei, associate professor of Nanjing Agricultural University, tutor of master students. In 2005, he graduated from Nanjing Agricultural University with a doctorate in crop cultivation and cultivation. 2007-20 10, Nanjing Institute of Soil Science, Chinese Academy of Sciences conducted postdoctoral cooperative research. Member of China Ecological Society, Crop Society, director of Stereoscopic Agriculture Society, and executive director of Jiangsu Agricultural System Engineering Society.