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Regulation mechanism of N2O and CH4 emissions during the pig manure composting amended with Polygonum Multiflorum Thunb.

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Τίτλος: Regulation mechanism of N2O and CH4 emissions during the pig manure composting amended with Polygonum Multiflorum Thunb.
Συγγραφείς: Duan YJ; Department of Agricultural Resources and Environment, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing, 210044, China., Wu HS; Department of Agricultural Resources and Environment, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing, 210044, China. wuhsglobe@sina.com., Yang JY; Shixing County Meteorological Bureau, Shaoguan, 512500, Guangdong, China., Zhou ZT; Institute of Medical Genomics, Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Medical Science and Technology Innovation Center, Shandong First Medical University & Shandong Academy of Medical Sciences, First Affiliated Hospital of Shandong First Medical University/Shandong Province Qianfoshan Hospital, No. 16766, Jingshi Road, Jinan, 250000, China. drzhoujiaqing@163.com., Shi TR; Department of Agricultural Resources and Environment, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing, 210044, China., Cheng C; Department of Agricultural Resources and Environment, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing, 210044, China., Li ZW; Department of Agricultural Resources and Environment, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing, 210044, China., Wu CF; Department of Agricultural Resources and Environment, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing, 210044, China., Di MC; Nanjing Eco-Bump Ecology and Environmental Science and Technology Company Ltd, Nanjing, 210040, China., He YD; Department of Agricultural Resources and Environment, Nanjing University of Information Science and Technology, 219 Ningliu Road, Nanjing, 210044, China., Hu FY; Huai'an Dilibao Eco-Fertilizer Company Ltd, Xuyi, 211700, China.
Πηγή: World journal of microbiology & biotechnology [World J Microbiol Biotechnol] 2026 Aug 18; Vol. 42 (9). Date of Electronic Publication: 2026 Aug 18.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Springer Country of Publication: Germany NLM ID: 9012472 Publication Model: Electronic Cited Medium: Internet ISSN: 1573-0972 (Electronic) Linking ISSN: 09593993 NLM ISO Abbreviation: World J Microbiol Biotechnol Subsets: MEDLINE
Imprint Name(s): Publication: 2005- : Berlin : Springer
Original Publication: Oxford, OX, UK : Published by Rapid Communications of Oxford Ltd in association with UNESCO and in collaboration with the International Union of Microbiological Societies, c1990-
Ιατρικοί όροι (MeSH): Manure*/microbiology , Manure*/analysis , Composting*/methods , Methane*/metabolism , Methane*/analysis , Nitrous Oxide*/metabolism , Nitrous Oxide*/analysis , Fallopia multiflora*/chemistry, Bacteria/classification ; Bacteria/metabolism ; Bacteria/genetics ; Fungi/classification ; Fungi/metabolism ; Fungi/genetics ; Animals ; Swine ; Soil Microbiology
Περίληψη: To mitigate N2O and CH4 emissions during pig manure composting, this study innovatively employed Polygonum multiflorum Thunb (PM, a traditional Chinese herb) powder to regulate microbial community structure to reduce greenhouse gas emissions. PM was added to pig manure at concentrations of 0% (CK, control), 0.05% (HL, low dosage), 0.1% (HM, medium dosage), and 0.5% (HH, high dosage) based on dry weight. A 30-day aerobic composting experiment was conducted. The results showed that PM addition had a stronger effect on bacterial alpha diversity than on fungal alpha diversity, and both composting process and PM addition jointly influenced microbial community succession. PM also altered the relative abundance of key potential functional microorganisms involved in N2O and CH4 transformations. Cumulative N2O emissions decreased significantly by 56.7%, 63.1%, and 71.8% in HL, HM, and HH, respectively, while cumulative CH4 emissions increased significantly by 51.8%, 381.1%, and 593.1%, respectively. Correspondingly, global warming potential decreased significantly by 56.6%-71.3% with PM addition. Mantel test and structural equation modeling analyses revealed that the standardized total effect of PM addition on N2O and CH4 emissions was -0.066 and 0.132, respectively, with temperature and NH4+-N as key drivers for N2O, and pH and moisture content for CH4. This study demonstrates that PM is a promising additive for reducing N2O while modulating microbial communities and enhancing the resource utilization of pig manure.
(© 2026. The Author(s), under exclusive licence to Springer Nature B.V.)
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Grant Information: 31670500 National Natural Science Fund of China
Contributed Indexing: Keywords: Polygonum multiflorum Thunb; CH4; Composting; Microbial community; N2O; Pig manure
Substance Nomenclature: 0 (Manure)
OP0UW79H66 (Methane)
K50XQU1029 (Nitrous Oxide)
Entry Date(s): Date Created: 20260818 Date Completed: 20260818 Latest Revision: 20261008
Update Code: 20261008
DOI: 10.1007/s11274-026-05203-6
PMID: 42611110
Βάση Δεδομένων: MEDLINE
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