我国土壤连作障碍成因及其消减机理研究进展
王坤光 , 顾少华 , 马静 , 崔冬明 , 豆哲超 , 迟志广 , 左元梅
中国农业大学学报 ›› 2026, Vol. 31 ›› Issue (3) : 217 -232.
我国土壤连作障碍成因及其消减机理研究进展
Research progress on the causes and reduction mechanisms of soil continuous cropping obstacles in China
为系统了解我国土壤连作障碍的成因与消减机理研究的最新进展,基于2014—2024年中国知网(CNKI)数据库,以“连作障碍”为关键词进行检索,对获得的全国各地区该研究领域相关文献进行总结和梳理。结果表明:连作障碍已成为制约我国农业绿色发展的瓶颈,是土壤理化性质恶化、植物化感自毒作用和土壤生态环境恶化3种机制综合作用的结果。其中,生物因素是连作障碍发生的最主要成因,尤其是土传病害,其造成的危害占比超过70%。因此,未来的连作障碍消减策略应更关注生物指标的建立及生物资源的利用。在实践上,应通过科学精准的水肥管理、优化种植结构、保护性耕作和土壤生物调控等综合措施,构建健康的土壤微食物网,促进农业的可持续发展和保障粮食安全。
To systemically understand the latest research progress on the causes and mitigation mechanisms of continuous cropping obstacles in China, relevant literature indexed in the China National Knowledge Infrastructure (CNKI) database from 2014 to 2024 were searched using “continuous cropping obstacles”as the keyword. The obtained publications on various regions across China were summarized and sorted. The main conclusions are as follows: Continuous cropping obstacles have become a bottleneck restricting the green development of agriculture in China. Their causes involve the combined effects of three mechanisms: deterioration of soil physical and chemical properties, plant allelopathic autotoxicity, and deterioration of the soil ecological environment. Biological factors are the primary cause of continuous cropping obstacles, particularly soilborne diseases, which account for over 70% of the damage. Therefore, future strategies to reduce continuous cropping obstacles should focus on the establishment of biological indicators and the utilization of biological resources. In practice, a comprehensive approach, including scientific and precise water and fertilizer management, optimized planting structures, conservation tillage, and soil biological regulation, should be adopted to build a healthy soil micro-food web to promote sustainable agricultural development and ensure food security.
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“十四五”国家重点研发计划(2022YFD1901501)
“十四五”国家重点研发计划(2023YFD1700203)
国家自然科学基金项目(32372810)
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