科技改良让昌邑盐碱地变身“致富田”
Xin Hua She·2026-01-31 07:03

Core Viewpoint - The article highlights the successful transformation of saline-alkali land in Changyi City, Shandong Province, into productive agricultural land through innovative practices and technology, leading to increased crop yields and improved farmer incomes. Group 1: Agricultural Practices and Innovations - The Qingfu Agricultural Complex has implemented a crop rotation strategy, planting alfalfa for three years followed by cotton and then wheat and corn, utilizing salt-tolerant crops to absorb soil salinity [2] - The complex has transitioned from monoculture to integrated farming, establishing two large cattle farms with over 5,000 cattle, using crop residues as feed and manure as organic fertilizer to enhance soil quality [2][3] - The average grain yield has increased to over 2,700 jin per mu, with the soil salinity in heavily saline-alkali areas reduced from above 10‰ to below 3‰ [3] Group 2: Infrastructure and Investment - The Qingfu Agricultural Complex has invested over 200 million yuan in water management infrastructure, including a 55-kilometer water diversion pipeline to improve irrigation and reduce soil salinity [2] - The complex has acquired over 400 sets of agricultural machinery, including large tractors and smart fertilization machines, to create a fully mechanized operation system for planting, managing, and harvesting crops [3] - The complex's operational model involves shared investment from the management, village collectives, and local farmers, ensuring profit distribution that benefits over 1,600 households [3] Group 3: Economic Impact and Community Development - By 2025, the Qingfu Village is projected to generate over 2 million yuan in collective income, with per capita annual income exceeding 48,000 yuan, contributing to the economic uplift of surrounding villages [3] - The comprehensive approach to land management and community involvement has led to the successful reclamation of 158,000 mu of saline-alkali land, significantly enhancing agricultural productivity and farmer livelihoods [3]