数字农科院2.0

Organic Manure Amendment Fortifies Soil Health by Enriching Beneficial Metabolites and Microorganisms and Suppressing Plant Pathogens

文献类型： 外文期刊

作者： Buqing Wei;Jingjing Bi;Xueyan Qian;Chang Peng;Miaomiao Sun;Enzhao Wang;Xingyan Liu;Xian Zeng;Huaqi Feng;Alin Song;Fenliang Fan

作者机构：

关键词： beneficial microorganisms;metabolites;organic manure;pathogen suppression;soil health

期刊名称： Agronomy

ISSN： 2073-4395

年卷期： 2025 年 15 卷 2 期

页码：

收录情况： SCIE（2025版）

摘要： Soil health reflects the sustained capacity of soil to function as a vital living ecosystem, ensuring support for all forms of life. The evaluation of soil health relies heavily on physicochemical indicators. However, it remains unclear whether and how microbial traits are related to soil health in soil with long-term organic manure amendment. This study aims to examine how detrimental and beneficial microbial traits change with soil health based on physicochemical indicators. This research measures the effects of 9-year manure supplementation on soil health using multiomics techniques. We found that, compared to 100% chemical fertilizers, the soil health index increased by 5.2%, 19.3%, and 72.6% with 25%, 50%, and 100% organic fertilizer amendments, respectively. Correspondingly, the abundance of beneficial microorganisms, including Actinomadura, Actinoplanes, Aeromicrobium, Agromyces, Azospira, Cryobacterium, Dactylosporangium, Devosia, Hyphomicrobium, Kribbella, and Lentzea, increased progressively, while the abundance of the pathogenic fungus Fusarium decreased with the organic manure application rate. In addition, the application of organic manure significantly increased the concentrations of soil metabolites, such as sugars (raffinose, trehalose, maltose, and maltotriose) and lithocholic acid, which promoted plant growth and soil aggregation. Moreover, the abundances of pathogens and beneficial microorganisms and the concentrations of beneficial soil metabolites were significantly correlated with the soil health index based on physicochemical indicators. We conclude that organic fertilizer can enhance soil health by promoting the increase in beneficial microorganisms while suppressing detrimental microorganisms, which can serve as potential indicators for assessing soil health. In agricultural production, substituting 25–50% of chemical fertilizers with organic fertilizers significantly helps improve soil health and promotes crop growth.

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