Core Insights - The comprehensive utilization of saline-alkali land is crucial for ensuring national food security and stabilizing China's food supply [1] - The Chinese government emphasizes the importance of improving soil quality and expanding arable land through the development of saline-alkali areas [1] Group 1: Current Status and Importance - China has 1.5 billion acres of saline-alkali land, with 500 million acres having potential for development [1] - The third national land survey has identified the distribution and area of saline-alkali land, providing a foundation for targeted remediation efforts [2] Group 2: Technological Innovations and Practices - In Jilin Province, the average yield of rice on treated saline-alkali land has exceeded 600 kg per mu, approaching the levels of black soil [3] - Various remediation techniques, such as organic silicon agents and gypsum, are being explored to improve soil conditions [3] - The National Saline-Alkali Land Comprehensive Utilization Technology Innovation Center has developed 68 new salt-tolerant crop varieties, with 20 officially registered [4] Group 3: Agricultural Development and Future Prospects - The promotion of salt-tolerant crop varieties, such as 'Xiao Yan 60', has led to significant increases in yield, with some farmers reporting 1,000 jin per mu [6] - Saline-alkali land is being transformed into productive agricultural areas, contributing to the overall agricultural industry and enhancing food security [6] - The comprehensive utilization of saline-alkali land is supported by national pilot programs, indicating a promising future for agricultural development in these areas [6]