三亚推广“冬季南繁+夏季绿肥”

Core Viewpoint - The new round of South Seedling cultivation season is set to begin, with a focus on improving soil quality in the South Seedling protection area through innovative agricultural practices [2] Group 1: Project Overview - A field observation meeting for the 2025 South Seedling Base Soil Quality Improvement Project was held in Sanya, aimed at promoting the "Winter South Seedling + Summer Green Manure" cultivation model [2] - The project covers an area of 10,000 acres, including a demonstration area of 9,800 acres for the cultivation of field peanuts and a 200-acre core experimental area for enhancing green manure [2] Group 2: Agricultural Techniques - Techniques such as green manure return, inoculation of field peanut root nodule bacteria, acidic soil improvement, and the application of specialized decomposed agents are being utilized to enhance soil quality [2] - The cultivation of field peanuts is chosen for its strong nitrogen-fixing ability, large biomass, and simple management, providing approximately 1.5 tons of organic fertilizer per acre [2] Group 3: Environmental Benefits - The implementation of the cultivation model is expected to effectively reduce soil acidity, prevent soil erosion, and significantly increase soil organic matter content, creating fertile land for the South Seedling season [2] - In the 200-acre core experimental area, additional decomposed agents and soil conditioners have been applied to further enhance soil quality [2]