Core Insights - The ecological transformation project for farmland drainage systems in Rugao City, Jiangsu Province, has become a focal point for addressing agricultural non-point source pollution, with a pilot covering over 20,000 acres of farmland [1][2] Group 1: Project Overview - The project aims to improve water quality by focusing on key national and provincial monitoring sections and sensitive water bodies, initiating ecological modifications in 2024 [1] - The project has implemented efficient management and recycling of farmland drainage, providing a replicable model for pollution control [1] Group 2: Key Strategies - The core principle of the project is to treat drainage water as a reusable resource, adhering to the guidelines of "no direct discharge, no nutrient runoff into rivers, and nutrient recycling" [1] - The city has established a straw management system based on the "four removals and one centralization" principle, converting agricultural waste into biomass fuel and organic fertilizer to prevent pollution from decaying straw [2] Group 3: Governance and Collaboration - Clear division of responsibilities among local government departments ensures effective project execution, with the ecological environment department leading initial efforts and the water resources department overseeing construction [2] - A joint meeting system among multiple departments facilitates information sharing and resource optimization, maximizing ecological benefits while avoiding redundant projects [2] Group 4: Technological Innovations - Rugao City has developed a governance system that integrates hardware facilities, intelligent systems, and ecological engineering, including new water control structures and smart monitoring systems for precise drainage management [3] - The project is expected to reduce chemical oxygen demand by 19 tons, ammonia nitrogen by 2 tons, and drainage discharge by 240,000 tons annually, demonstrating significant ecological benefits [3] Group 5: Systemic Approach - The essence of farmland drainage governance is a systematic ecological revolution, requiring a complete closed-loop from top-level design to end governance to reconcile agricultural development with environmental protection [3]