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Repeated Application of Rice Straw Stabilizes Soil Bacterial Community Composition and Inhibits Clubroot Disease

Author

Listed:
  • Zhe Han

    (Department of Horticulture and Landscape, Northeast Agricultural University, HarBin 150030, China)

  • Chengqian Di

    (Department of Horticulture and Landscape, Northeast Agricultural University, HarBin 150030, China)

  • Muhammad Khashi u Rahman

    (Department of Horticulture and Landscape, Northeast Agricultural University, HarBin 150030, China)

  • Danmei Gao

    (Department of Horticulture and Landscape, Northeast Agricultural University, HarBin 150030, China)

  • Fengzhi Wu

    (Department of Horticulture and Landscape, Northeast Agricultural University, HarBin 150030, China)

  • Kai Pan

    (Department of Horticulture and Landscape, Northeast Agricultural University, HarBin 150030, China)

Abstract

Straw amendment can improve soil properties and is an effective strategy to control soil-borne diseases. However, gramineous straw application to vegetable fields has rarely been studied. In this study, rice straw was added to the field of Chinese cabbage for one or two years (repeated), and Chinese cabbage plant growth, disease occurrence and changes in soil chemical properties were measured. In addition, the bacterial community composition of Chinese cabbage was analyzed using Illumina MiSeq sequencing. Results showed that rice straw application increased the content of available nutrients, pH and electrical conductivity, but decreased the diversity and richness of the bacterial community. The relative abundances of Acidobacteria and Chloroflexi were increased after repeated rice straw application, which were associated with the available potassium and pH in the soil. Network analysis revealed that rice straw amendment differentially affected the key bacterial genera. These results suggest that repeated application of rice straw changed the soil chemical properties and altered the bacterial community composition to suppress the clubroot disease incidence in Chinese cabbage.

Suggested Citation

  • Zhe Han & Chengqian Di & Muhammad Khashi u Rahman & Danmei Gao & Fengzhi Wu & Kai Pan, 2021. "Repeated Application of Rice Straw Stabilizes Soil Bacterial Community Composition and Inhibits Clubroot Disease," Agriculture, MDPI, vol. 11(2), pages 1-14, January.
    • Handle: RePEc:gam:jagris:v:11:y:2021:i:2:p:108-:d:490561
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    Cited by:

    1. Yucui Ning & Xu Wang & Yanna Yang & Xu Cao & Yulong Wu & Detang Zou & Dongxing Zhou, 2022. "Studying the Effect of Straw Returning on the Interspecific Symbiosis of Soil Microbes Based on Carbon Source Utilization," Agriculture, MDPI, vol. 12(7), pages 1-16, July.

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