Author
Listed:
- Yuanyuan Yang
(College of Horticulture, Northwest Agriculture and Forestry University, Xianyang 712100, China
Key Laboratory of Northwest Facility Horticulture Engineering of Ministry of Agriculture and Rural Affairs, Xianyang 712100, China)
- Luolin Shu
(College of Horticulture, Northwest Agriculture and Forestry University, Xianyang 712100, China
Key Laboratory of Northwest Facility Horticulture Engineering of Ministry of Agriculture and Rural Affairs, Xianyang 712100, China)
- Yuqin Lin
(College of Horticulture, Northwest Agriculture and Forestry University, Xianyang 712100, China
Key Laboratory of Northwest Facility Horticulture Engineering of Ministry of Agriculture and Rural Affairs, Xianyang 712100, China)
- Lei Li
(College of Horticulture, Northwest Agriculture and Forestry University, Xianyang 712100, China
Key Laboratory of Northwest Facility Horticulture Engineering of Ministry of Agriculture and Rural Affairs, Xianyang 712100, China)
- Qianqian Cao
(College of Horticulture, Northwest Agriculture and Forestry University, Xianyang 712100, China
Key Laboratory of Northwest Facility Horticulture Engineering of Ministry of Agriculture and Rural Affairs, Xianyang 712100, China)
- Yongjun Wu
(College of Life Sciences, Northwest Agricultural and Forestry University, Xianyang 712100, China)
- Zhenchao Yang
(College of Horticulture, Northwest Agriculture and Forestry University, Xianyang 712100, China
Key Laboratory of Northwest Facility Horticulture Engineering of Ministry of Agriculture and Rural Affairs, Xianyang 712100, China)
Abstract
Recently, combining composting with vermicomposting has garnered growing interest as an efficient approach for the sustainable processing of agricultural waste. This study utilized composting as a pretreatment method to mitigate the salinity of tomato straw, employing four distinct earthworm stocking densities (0, 40, 80, and 120 worms/kg) to assess the feasibility of a combined composting–vermicomposting approach for stabilizing tomato straw waste. The results indicated that the total nitrogen, total phosphorus, total potassium, humification index, and germination index of the vermicompost products increased by 3.2–10.57%, 3.3–12.69%, 2.65–7.42%, 21.56–30.54%, and 36.57–91.68%, respectively. Relative to the control, the greatest improvement was observed at a density of 80 worms per kilogram of tomato straw compost. Moreover, the earthworm treatment group showed enhanced enzyme activity, bacterial abundance, and diversity relative to the control group. It can, therefore, be concluded that the integrated composting–vermicomposting system contributes to enhancing the quality of tomato straw waste compost. However, to further explore the treatment potential of high-salinity agricultural waste, future research could optimize the integrated composting and vermicomposting system and investigate the synergistic effects between earthworm stocking density and environmental factors.
Suggested Citation
Yuanyuan Yang & Luolin Shu & Yuqin Lin & Lei Li & Qianqian Cao & Yongjun Wu & Zhenchao Yang, 2024.
"Enhancing the Quality of Tomato Straw Waste Composting: The Role of Earthworm Stocking Density in Composting–Vermicomposting Integrated Systems,"
Sustainability, MDPI, vol. 17(1), pages 1-18, December.
Handle:
RePEc:gam:jsusta:v:17:y:2024:i:1:p:175-:d:1555798
Download full text from publisher
References listed on IDEAS
- Jun Yang & Kui Huang & Lansheng Peng & Jianhui Li & Aozhan Liu, 2021.
"Fate of Functional Bacterial and Eukaryotic Community Regulated by Earthworms during Vermicomposting of Dewatered Sludge, Studies Based on the 16S rDNA and 18S rDNA Sequencing of Active Cells,"
IJERPH, MDPI, vol. 18(18), pages 1-13, September.
- Ioanna Karapantzou & Gregoria Mitropoulou & Ioanna Prapa & Dimitra Papanikolaou & Vasileios Charovas & Yiannis Kourkoutas, 2023.
"Physicochemical Changes and Microbiome Associations during Vermicomposting of Winery Waste,"
Sustainability, MDPI, vol. 15(9), pages 1-16, May.
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