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Effects of Biochar and Manure Co-Application on Aggregate Stability and Pore Size Distribution of Vertisols

Author

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  • Taiyi Cai

    (School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, China
    State Experimental Station of Agro-Ecosystem in Fengqiu, State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China)

  • Zhigang Wang

    (School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, China)

  • Chengshi Guo

    (Farmland Irrigation Research Institute, Chinese Academy of Agricultural Sciences, Xinxiang 453002, China)

  • Huijuan Huang

    (School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, China)

  • Huabin Chai

    (School of Surveying and Land Information Engineering, Henan Polytechnic University, Jiaozuo 454000, China)

  • Congzhi Zhang

    (State Experimental Station of Agro-Ecosystem in Fengqiu, State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China)

Abstract

Background: The combination of biochar and organic manure has substantial local impacts on soil properties, greenhouse gas emissions, and crop yield. However, the research on soil health or quality is still in its early stages. Four pot experiments were carried out: C (30 g biochar (kg soil) −1 ), M (10 g manure (kg soil) −1 ), CM (15 g biochar (kg soil) −1 + 5 g manure (kg soil) −1 ), and the control (without any amendments). Results: When compared to C and M treatments, the MWD of CM was reduced by 5.5% and increased by 4.9%, respectively, and the micropore volume (5–30 m) was increased by 17.6% and 89.6%. The structural equation model shows that soil structural parameters and physical properties regulate the distribution of micropores (5–30 μm) in amended soil. Conclusion: Our studies discovered that biochar mixed with poultry manure had antagonistic and synergistic effects on soil aggregate stability and micropore volume in vertisol, respectively, and thus enhanced crop yield by 71.1%, which might be used as a technological model for farmers in China’s Huang-Huai-Hai region to improve low- and medium-yielding soil and maintain soil health.

Suggested Citation

  • Taiyi Cai & Zhigang Wang & Chengshi Guo & Huijuan Huang & Huabin Chai & Congzhi Zhang, 2022. "Effects of Biochar and Manure Co-Application on Aggregate Stability and Pore Size Distribution of Vertisols," IJERPH, MDPI, vol. 19(18), pages 1-15, September.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:18:p:11335-:d:910667
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    References listed on IDEAS

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    1. M. H. B. Hayes, 2006. "Biochar and biofuels for a brighter future," Nature, Nature, vol. 443(7108), pages 144-144, September.
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    Cited by:

    1. Jacek Pranagal & Sławomir Ligęza & Joanna Gmitrowicz-Iwan, 2023. "The Impact of Mining Waste and Biogas Digestate Addition on the Durability of Soil Aggregates," Agriculture, MDPI, vol. 13(9), pages 1-13, September.

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