我国科学施肥水平提升 肥水管理向精准化、绿色化、专业化全面升级

Core Insights - The utilization rate of fertilizers for the three major grain crops in China (wheat, corn, and rice) is projected to reach 43.3% by 2025, an increase of 3.1 percentage points compared to 2020 [1][3][8] - The "14th Five-Year Plan" has initiated actions to reduce fertilizer usage while increasing efficiency, leading to a steady improvement in fertilizer utilization rates for these crops [3][8] Group 1 - By 2025, the coverage rate of soil testing and formula fertilization technology for the three major grain crops is expected to exceed 95% [4] - The area for deep fertilization in rice has surpassed 26 million mu, with nitrogen fertilizer utilization increasing by 2.1 percentage points [4] - The integration of water and fertilizer for corn and wheat has increased by over 20 million mu compared to the previous year, supporting an average yield increase of over 100 kg per mu in demonstration areas [4] Group 2 - The increase in fertilizer utilization rates signifies an advancement in scientific fertilization levels, which is crucial for ensuring grain production capacity, promoting a comprehensive green transformation in agriculture, and enhancing farmers' income [8][10] - Currently, the fertilizer utilization rates for the three major grain crops have entered the international upper-middle level range of 40%-50% [10] - The Ministry of Agriculture and Rural Affairs plans to accelerate the establishment of a modern scientific fertilization technology system, policy management system, and social service system to promote precision, greening, and professional upgrades in fertilizer and water management [11]