On the afternoon of August 19th, Academician Qian Xuhong, President of East China Normal University, distinguished professor, the Yangtze River of East China Normal University, and Ceng Heping, Director of the State Key Laboratory of Precision Spectroscopy Science and Technology, and his party went to Chongqing Jiaotong University for guidance and exchange. The exchange meeting was held in the international conference room of Mingde Building. Professor Yi Zhijian, director of the Engineering Research Center of the Ministry of Education, Professor Ma Yin Hua, deputy director of the Ecological Environment Research Center, and members of the technical team of "Desert Soils" participated in the exchange activities.

At the exchange meeting, Professor Yi Zhijian first reported to Academician Qian Xuhong and his party the principle, characteristics, advantages, popularization and application, and industrial development of the technology of "desert soiling". Academician Qian Xuhong inquired about the research and development process and related details of the technology of "desert soil" in detail, spoke highly of the great scientific value and significance of the theory and technology of ecological restoration of desert soil, fully affirmed the originality and leadership of the technology, and gave good guidance and suggestions on the next step of concise promotion of high-level achievements and the development and deepening of new research directions.

Academician Qian Xuhong also conducted in-depth exchanges on new ideas and practices such as "out-of-specification" interdisciplinary innovation and personnel training, combining his own experience in scientific research innovation and talent cultivation. He emphasized that "it is impossible to respond to the needs of the times unless it is beyond the limit", and it is necessary to establish and apply the concept of "beyond the limit, boundaries and limits, to transcend discrete knowledge points, single thinking mode and single thinking system, to cultivate top-notch innovative talents and promote scientific research and innovation with" maximum principle and maximum flexibility ",and to achieve many achievements such as" beyond the limit thinking "and" beyond the limit manufacturing ".

Finally, the two sides also discussed a number of cooperation entry points in agriculture, ecology and "double carbon", and reached a preliminary cooperation intention.