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The Influence of Ceramsite and Superphosphate on Humification in the Composting Process of Garden Wastes

Author

Listed:
  • Hui Wang

    (Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, Beijing 100083, China)

  • Suyan Li

    (Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, Beijing 100083, China)

  • Xiangyang Sun

    (Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, Beijing 100083, China)

  • Yalin Li

    (Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, Beijing 100083, China)

  • Hao Ding

    (Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, Beijing 100083, China)

  • Dan Hao

    (Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, Beijing 100083, China)

  • Di Wang

    (Key Laboratory for Silviculture and Conservation of Ministry of Education, College of Forestry, Beijing Forestry University, Beijing 100083, China)

Abstract

This study used ceramsite and superphosphate as exogenous additives for composting garden wastes. It investigated the changes in temperature, pH, lignocellulose, enzyme activity, humic substrates, and humification parameters during the composting process. A total of four treatments—T0 (CK), T1 (ceramsite), T2 (superphosphate), and T3 (superphosphate + ceramsite)—were tested in a 50-day composting experiment. It was found that the formation of the compost humic substrate could be increased to 14.69% under the action of ceramsite. In addition, ceramsite promoted lignocellulose degradation, improved enzyme activity, and enhanced the material conversion in the composting process. At the same time, superphosphate also promoted the formation of humic substrates in compost but was less effective than ceramsite. Ceramsite is the best additive in promoting compost maturation.

Suggested Citation

  • Hui Wang & Suyan Li & Xiangyang Sun & Yalin Li & Hao Ding & Dan Hao & Di Wang, 2025. "The Influence of Ceramsite and Superphosphate on Humification in the Composting Process of Garden Wastes," Sustainability, MDPI, vol. 17(2), pages 1-15, January.
    • Handle: RePEc:gam:jsusta:v:17:y:2025:i:2:p:538-:d:1565174
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