我国积极探索区域盐碱耕地治理模式——综合利用，盐碱地变丰产田

Core Insights - The "14th Five-Year Plan" emphasizes high-quality construction of high-standard farmland, protection of black soil, and comprehensive utilization of saline-alkali land to enhance arable land quality [1] Group 1: Saline-Alkali Land Utilization - The 2025 Saline-Alkali Land Comprehensive Utilization Technology Innovation Conference highlighted the development of a regional governance model and the collaborative development of characteristic agriculture in saline-alkali areas [1] - The report outlines over 40 innovative achievements in biological breeding, productivity enhancement, and ecological utilization of saline-alkali land [2] - Various technical models have been established, such as the "dry sowing and wet harvesting" method for cotton in the Northwest Oasis area, promoting efficient use of resources and ecological improvement [2] Group 2: Agricultural Practices and Innovations - In Jiangsu's coastal saline-alkali areas, a rotation planting model has been developed, achieving a 20% increase in soil organic matter and maintaining soil salinity below 2‰ [2] - The report stresses the importance of preventing secondary salinization of arable land and establishing efficient drainage systems [3] - The report advocates for a differentiated approach to saline-alkali land usage, promoting various agricultural practices based on land conditions [4] Group 3: Development of Specialty Agriculture - The report indicates successful cultivation of varieties such as Huanghua drought-resistant wheat and Zhanhua winter jujube, enhancing the value of saline-alkali agricultural products [4] - The Yellow River Estuary sheep industry is highlighted as a model for developing specialty agriculture in saline-alkali areas, focusing on standardization and branding [5] Group 4: Breeding and Resource Management - The establishment of a breeding innovation system for saline-alkali land is underway, with 68 new varieties of salt-tolerant crops developed and promoted across 26.32 million acres [7] - The National Saline-Alkali Land Comprehensive Utilization Technology Innovation Center is working on enhancing breeding efficiency and resource management [7]