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Effect of Biochar on Soil Temperature under High Soil Surface Temperature in Coal Mined Arid and Semiarid Regions

Author

Listed:
  • Jibing Xiong

    (Jiangsu Key Laboratory of Resources and Environment information Engineering, China University of Mining and Technology, Xuzhou 221116, China)

  • Runhua Yu

    (Jiangsu Key Laboratory of Resources and Environment information Engineering, China University of Mining and Technology, Xuzhou 221116, China)

  • Ejazul Islam

    (Soil & Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad 38000, Pakistan)

  • Fuhai Zhu

    (Jiangsu Key Laboratory of Resources and Environment information Engineering, China University of Mining and Technology, Xuzhou 221116, China)

  • Jianfeng Zha

    (Jiangsu Key Laboratory of Resources and Environment information Engineering, China University of Mining and Technology, Xuzhou 221116, China)

  • Muhammad Irfan Sohail

    (Institute of Soil and Environmental Sciences, Faculty of Agriculture, University of Agriculture, Faisalabad 38040, Pakistan)

Abstract

High soil surface temperature and loosened soil are major limiting factors of plant productivity in arid and semi-arid coal mining areas of China. Moreover, the extensive and illegitimate burning of crop residues is causing environmental pollution; whereas, these residues could be converted to biochar to benefit soil quality. In this study, the effect of wheat straw biochar (WSB) at rates of 0% (control, CK), 1% (low, LB), 2% (medium, MB) and 4% (high, HB) on soil temperature at different depths (5, 10, 15, and 20 cm) and moisture levels (10 and 20%) was investigated under high soil surface temperature of 50 °C and air humidity of 40%. Our data suggested that soil bulk density was inversely, and soil moisture was directly corelated with soil thermal parameters. Moreover, the increasing rate of WSB addition linearly decreased the soil thermal properties. The maximum decrease in soil bulk density at both moisture levels (10% and 20%) was measured in HB treatment compared to respective CKs. The highest decrease in soil thermal conductivity (59.8% and 24.7%) was found under HB treatment in comparison to respective controls (CK10% and CK20% moisture). The soil volumetric heat capacity was also strongly corelated with soil moisture content (r = 0.91). The WSB treatments displayed differential responses to soil temperature. Under 10% soil moisture, temperature of LB, MB and HB treatments was higher as compared to CK at 5–20 cm depth, and MB treated soil had the smallest increase in temperature. At the 15-cm depth, the MB treatment decreased the temperature by 0.93 °C as compared to the CK20%. Therefore, the effect of WSB on soil temperature was influenced by soil moisture content, soil depth and WSB application rates. It suggested that MB treatment could be a useful farming practice for mitigating soil temperature fluctuation.

Suggested Citation

  • Jibing Xiong & Runhua Yu & Ejazul Islam & Fuhai Zhu & Jianfeng Zha & Muhammad Irfan Sohail, 2020. "Effect of Biochar on Soil Temperature under High Soil Surface Temperature in Coal Mined Arid and Semiarid Regions," Sustainability, MDPI, vol. 12(19), pages 1-9, October.
  • Handle: RePEc:gam:jsusta:v:12:y:2020:i:19:p:8238-:d:424432
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    Citations

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    Cited by:

    1. Rimsha Khan & Amna Abbas & Aitazaz A. Farooque & Farhat Abbas & Xander Wang, 2022. "Mitigation of Greenhouse Gas Emissions from Agricultural Fields through Bioresource Management," Sustainability, MDPI, vol. 14(9), pages 1-18, May.
    2. Habib Ramezanzadeh & Davoud Zarehaghi & Ahmad Baybordi & Ali Chenari Bouket & Tomasz Oszako & Faizah N. Alenezi & Lassaad Belbahri, 2023. "The Impacts of Biochar-Assisted Factors on the Hydrophysical Characteristics of Amended Soils: A Review," Sustainability, MDPI, vol. 15(11), pages 1-25, May.
    3. Farhat Abbas & Hafiz Mohkum Hammad & Farhat Anwar & Aitazaz Ahsan Farooque & Rashid Jawad & Hafiz Faiq Bakhat & Muhammad Asif Naeem & Sajjad Ahmad & Saeed Ahmad Qaisrani, 2021. "Transforming a Valuable Bioresource to Biochar, Its Environmental Importance, and Potential Applications in Boosting Circular Bioeconomy While Promoting Sustainable Agriculture," Sustainability, MDPI, vol. 13(5), pages 1-15, March.

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