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Feasibility Study on the Application of Microbial Agent Modified Water-Jet Loom Sludge for the Restoration of Degraded Soil in Mining Areas

Author

Listed:
  • Chuning Ji

    (Engineering Research Center of Ministry of Education for Mine Ecological Restoration, China University of Mining and Technology, Xuzhou 221116, China
    School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

  • Jiu Huang

    (Engineering Research Center of Ministry of Education for Mine Ecological Restoration, China University of Mining and Technology, Xuzhou 221116, China
    School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

  • Yu Tian

    (Engineering Research Center of Ministry of Education for Mine Ecological Restoration, China University of Mining and Technology, Xuzhou 221116, China
    School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

  • Ying Liu

    (School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China
    School of Earth and Environment, Anhui University of Science and Technology, Huainan 232001, China)

  • Joshua Bosco Barvor

    (Engineering Research Center of Ministry of Education for Mine Ecological Restoration, China University of Mining and Technology, Xuzhou 221116, China
    School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

  • Xintong Shao

    (Engineering Research Center of Ministry of Education for Mine Ecological Restoration, China University of Mining and Technology, Xuzhou 221116, China
    School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

  • Zi’ao Li

    (Engineering Research Center of Ministry of Education for Mine Ecological Restoration, China University of Mining and Technology, Xuzhou 221116, China
    School of Environment and Spatial Informatics, China University of Mining and Technology, Xuzhou 221116, China)

Abstract

Open-pit mining causes soil damage and affects the health of the ecosystem. In the arid grassland mining areas, the soil is severely sanded, water-starved, and saline, thus making it difficult for plants and microorganisms to survive. Water-jet loom sludge can be used to improve the quality as it contains a lot of clay and is rich in organic matter, which provides a material basis for microorganism activity. To explore the effects of microbial agent-modified water-jet loom sludge on the restoration of degraded soil in grassland mining areas, four pot trials were set up, i.e., for untreated soil, the application of a microbial agent alone, the application of water-jet loom sludge alone, and the combined application of water-jet loom sludge and the microbial agent. The results show that (1) microbial agent-modified sludge can improve soil water-holding capacity and aggregate stability; (2) the nutrient content of the restored soil fraction increased significantly, and the pH of the original saline soil decreased from 9.06 to 7.84; (3) this method significantly increased plant biomass and microbial biomass carbon and enhanced the abundance and diversity of fungi and bacteria. The three treatments had different results in different soil properties, and the effect of the combined water-jet loom sludge and microbial agent treatment on soil remediation was significantly better than the individual application of either.

Suggested Citation

  • Chuning Ji & Jiu Huang & Yu Tian & Ying Liu & Joshua Bosco Barvor & Xintong Shao & Zi’ao Li, 2021. "Feasibility Study on the Application of Microbial Agent Modified Water-Jet Loom Sludge for the Restoration of Degraded Soil in Mining Areas," IJERPH, MDPI, vol. 18(13), pages 1-14, June.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:13:p:6797-:d:581450
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    References listed on IDEAS

    as
    1. Haochen Yu & Jiu Huang & Chuning Ji & Zi’ao Li, 2021. "Construction of a Landscape Ecological Network for a Large-Scale Energy and Chemical Industrial Base: A Case Study of Ningdong, China," Land, MDPI, vol. 10(4), pages 1-24, March.
    2. Jiu Huang & Peng Wang & Chaorong Xu & Zhuangzhuang Zhu, 2018. "Fly Ash Modified Coalmine Solid Wastes for Stabilization of Trace Metals in Mining Damaged Land Reclamation: A Case Study in Xuzhou Coalmine Area," IJERPH, MDPI, vol. 15(10), pages 1-23, October.
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    Cited by:

    1. Yifan Shen & Qi Li & Xiangjun Pei & Renjie Wei & Bingmei Yang & Ningfei Lei & Xiaochao Zhang & Daqiu Yin & Shijun Wang & Qizhong Tao, 2023. "Ecological Restoration of Engineering Slopes in China—A Review," Sustainability, MDPI, vol. 15(6), pages 1-17, March.

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