吉林有效遏制黑土地变薄变瘦趋势

Group 1 - The core viewpoint of the article highlights that Jilin Province aims to achieve a total grain output of 871.6 billion jin by 2025, with increases in total output, yield per unit area, and sown area [1] - Jilin plans to construct 9.1 million mu of high-standard farmland and improve the average thickness of black soil to 20.6 cm, along with an increase in organic matter content to 27 g/kg [1] - The province's agricultural development strategy during the 14th Five-Year Plan emphasizes prioritizing rural development, with grain production reaching new highs and the area of high-standard farmland built in the last three years equaling the total of the previous ten years [1] Group 2 - The implementation of the "Black Soil Granary" technology campaign's second phase aims to enhance soil quality and promote the iterative upgrade of the "Pear Tree Model" and comprehensive utilization of western saline-alkali land [1] - Jilin plans to establish a robust mechanism for the construction, operation, and management of high-standard farmland, with a goal to build an additional 10 million mu this year [1] - The integration of water and fertilizer projects with high-standard farmland initiatives is set to be planned and executed together, with an additional 10 million mu expected to be added this year [1]