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Abstract <p>The rapid development of circular agriculture has led to the secondary agricultural pollutants such as biogas slurry. Biogas slurry fermentation enriches beneficial microbial communities, enhances nutrient content, and reduces pollution caused by agricultural waste. This study investigated the effects of biogas slurry microbial fertilizer on crop yield, rhizosphere soil physicochemical properties, and microbial diversity through field experiments. The application of biogas slurry microbial fertilizer significantly enhanced the soil nutrient profile, increased the contents of Soil alkali-hydrolyzable nitrogen (N) by 41.5%, rapid available phosphorus (Olsen-P) by 113.0%, available potassium (K) by 21.3%, and soil organic matter (SOM) by 1.1%. Additionally, the relative abundance of plant-beneficial microbes in the rhizosphere increased, while the relative abundance of pathogenic microbes decreased, Maize yield increased by 24.6% per hectare. The biogas slurry microbial fertilizer enhances the microbe–soil-plant network, stabilizes the rhizosphere, and advances sustainable, resource-efficient agriculture.</p> Graphical abstract <p></p>

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Sustainable agriculture: benefits of slurry microbial fertilizer on corn yield and soil ecology

  • 期刊论文

  • 发表日期：

    2026年5月28日

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  • Keran Li,
  • Li He,
  • Ning Wang,
  • Xiaolong Tong,
  • Jianqing Ma,
  • Zixuan Wang,
  • Yuanyuan Chen,
  • Ziyi Wang,
  • Chenxing He,
  • Gangyong Zhao,
  • Dandan Cao

摘要

Abstract

The rapid development of circular agriculture has led to the secondary agricultural pollutants such as biogas slurry. Biogas slurry fermentation enriches beneficial microbial communities, enhances nutrient content, and reduces pollution caused by agricultural waste. This study investigated the effects of biogas slurry microbial fertilizer on crop yield, rhizosphere soil physicochemical properties, and microbial diversity through field experiments. The application of biogas slurry microbial fertilizer significantly enhanced the soil nutrient profile, increased the contents of Soil alkali-hydrolyzable nitrogen (N) by 41.5%, rapid available phosphorus (Olsen-P) by 113.0%, available potassium (K) by 21.3%, and soil organic matter (SOM) by 1.1%. Additionally, the relative abundance of plant-beneficial microbes in the rhizosphere increased, while the relative abundance of pathogenic microbes decreased, Maize yield increased by 24.6% per hectare. The biogas slurry microbial fertilizer enhances the microbe–soil-plant network, stabilizes the rhizosphere, and advances sustainable, resource-efficient agriculture.

Graphical abstract