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守好中国粮仓 保护耕地中的“大熊猫”
Huan Qiu Shi Bao·2025-06-25 07:13

Group 1 - The article highlights the improvement of soil quality in Heilongjiang's black land through the use of organic fertilizers and innovative agricultural practices [1][3] - The North China Agricultural Group's Heshan Farm has implemented a green cycle agriculture pilot project since 2021, utilizing crop straw for livestock feed and returning fermented manure to the soil, enhancing soil structure and fertility [1] - The farm has established two modern closed fermentation bags for dairy cattle, capable of converting 120,000 tons of manure annually [1] Group 2 - The Baquanling Farm has adopted smart agricultural technology, using sensors to monitor soil parameters in real-time, which has improved soil monitoring efficiency by 85% and data accuracy to over 98% [3] - The data collected supports scientific fertilization and soil improvement, contributing to a long-term monitoring database for black land protection [3] - The transformation of small plots into larger fields has increased planting efficiency and reduced soil erosion risks, with an average yield increase of over 100 jin per mu after the transformation [4]