Combined organic-inorganic fertilization builds higher stability of soil and root microbial networks than exclusive mineral or organic fertilization

文献类型： 外文期刊

第一作者： Yang, Luhua

作者： Yang, Luhua;Sun, Renhua;Li, Jungai;Zhai, Limei;Fan, Bingqian;Wang, Hongyuan;Liu, Hongbin;Yang, Luhua;Yang, Luhua;Sun, Renhua;Cui, Huiling;Cui, Huiling

作者机构：

关键词： Fertilization regime; Soil microbiome; Root microbiome; Microbial networks; Network stability

期刊名称：SOIL ECOLOGY LETTERS （ 影响因子：4.0； 五年影响因子：4.1 ）

ISSN： 2662-2289

年卷期： 2023 年 5 卷 2 期

页码：

收录情况： SCI

摘要： Plant health and performance are highly dependent on the root microbiome. The impact of agricultural management on the soil microbiome has been studied extensively. However, a comprehensive understanding of how soil types and fertilization regimes affect both soil and root microbiome is still lacking, such as how fertilization regimes affect the root microbiome's stability, and whether it follows the same patterns as the soil microbiome. In this study, we carried out a long-term experiment to see how different soil types, plant varieties, and fertilizer regimens affected the soil and root bacterial communities. Our results revealed higher stability of microbial networks under combined organic-inorganic fertilization than those relied solely on inorganic or organic fertilization. The root microbiome variation was predominantly caused by total nitrogen, while the soil microbiome variation was primarily caused by pH and soil organic matter. Bacteroidetes and Firmicutes were major drivers when the soil was amended with organic fertilizer, but Actinobacteria was found to be enriched in the soil when the soil was treated with inorganic fertilizer. Our findings demonstrate how the soil and root microbiome respond to diverse fertilizing regimes, and hence contribute to a better understanding of smart fertilizer as a strategy for sustainable agriculture.

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