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Impact of Composting Methods on Nitrogen Retention and Losses during Dairy Manure Composting

Author

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  • Xiao Yang

    (Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    These authors contributed equally to this study.)

  • Enke Liu

    (Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China
    These authors contributed equally to this study.)

  • Xinmeng Zhu

    (Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Hongyuan Wang

    (Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Hongbin Liu

    (Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Xiu Liu

    (Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

  • Wenyi Dong

    (Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, China)

Abstract

Currently, composting is one of the most effective methods for treating fecal waste on large-scale livestock and poultry farms, but the quality effects of different composting methods are different. In this study, we implemented four composting methods, including farmer compost (FC), anaerobic compost (AnC), mixed compost (MC), and aerobic compost (AC), to study the effects of different composting methods on nitrogen (N) losses while composting dairy manure. Our results showed that the germination indexes (GIs) of three of the composting treatments (AnC, MC, and AC) exceeded 80%, which met the maturity requirements for composted products. Ammonia (NH 3 ) emissions were the main contributor to nitrogen losses, while accumulated nitrous oxide (N 2 O) emissions accounted for the lowest proportion of nitrogen losses. The cumulative N losses via the leachate of the AC treatment were the lowest and accounted for 0.38% of the initial total nitrogen (TN). The accumulated N losses of the AC, FC, AnC, and MC treatments accounted for 13.13% 15.98%, 15.08%, and 19.75%, respectively, of the initial TN. Overall, the AC method significantly reduced N losses via leachates, further reducing TN losses. This observation suggests that AC might be an appropriate method for highly efficient nitrogen management during dairy manure composting.

Suggested Citation

  • Xiao Yang & Enke Liu & Xinmeng Zhu & Hongyuan Wang & Hongbin Liu & Xiu Liu & Wenyi Dong, 2019. "Impact of Composting Methods on Nitrogen Retention and Losses during Dairy Manure Composting," IJERPH, MDPI, vol. 16(18), pages 1-17, September.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:18:p:3324-:d:265706
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    References listed on IDEAS

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    1. Subramanium Thiyageshwari & Pandurangan Gayathri & Ramasamy Krishnamoorthy & Rangasamy Anandham & Diby Paul, 2018. "Exploration of Rice Husk Compost as an Alternate Organic Manure to Enhance the Productivity of Blackgram in Typic Haplustalf and Typic Rhodustalf," IJERPH, MDPI, vol. 15(2), pages 1-14, February.
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    Cited by:

    1. Dorota Kulikowska & Katarzyna Bernat, 2022. "Composting of Municipal Sewage Sludge and Lignocellulosic Waste: Nitrogen Transformations and Humic Substances Molecular Weight," Energies, MDPI, vol. 16(1), pages 1-13, December.
    2. Jakub Mazurkiewicz, 2023. "Loss of Energy and Economic Potential of a Biogas Plant Fed with Cow Manure due to Storage Time," Energies, MDPI, vol. 16(18), pages 1-22, September.

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