“土壤医生”开出对症良方，让退化土壤重焕生机

Core Viewpoint - The Soil Environment and Plant Nutrition Laboratory in Heilongjiang Province plays a crucial role in soil health and agricultural productivity, addressing soil degradation issues through innovative research and practical solutions [3][4][9]. Group 1: Laboratory Background and Mission - Established in 2006, the laboratory's roots trace back to the 1980s, focusing on soil fertility decline and erosion challenges in Northeast China [3]. - The laboratory aims to protect and restore soil health, recognizing soil as a non-renewable resource that, once degraded, is difficult to recover [3][4]. Group 2: Research and Innovations - The laboratory has completed over 50 national and provincial research projects, creating a comprehensive soil health database and developing technologies endorsed by the Ministry of Agriculture [4]. - A significant innovation is the "straw return and organic fertilizer collaborative improvement technology," which enhances soil structure and organic matter content [5][6]. Group 3: Practical Applications and Impact - The laboratory's research emphasizes fieldwork, with scientists engaging directly with farmers to identify soil issues and develop targeted solutions [5][9]. - The "straw return negative effect" in paddy fields was addressed through a new nitrogen cycling technology, improving crop yields significantly [6][8]. - A "soil drainage revolution" was initiated to tackle waterlogging and drought issues, leading to a 34% increase in corn yield in treated fields [7][8]. Group 4: Equipment and Technology Transfer - The laboratory has developed specialized machinery to facilitate soil improvement, ensuring that technological advancements can be effectively implemented in the field [9][10]. - In 2025, over 200 sets of equipment were sold, supporting the construction of high-standard farmland and enhancing soil quality across 200,000 acres [9][10]. Group 5: Collaboration and Future Plans - The laboratory collaborates with over 20 agricultural enterprises and has established 15 research demonstration bases to promote technology transfer and training for farmers [10]. - Future plans include addressing various soil improvement challenges nationwide and establishing standardized systems for different regions and crops [10].