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Distribution of heavy metal resistant bacterial community succession in cow manure biochar amended sheep manure compost
College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, China.
College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, China.
College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, China.
College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi Province 712100, China.
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2021 (English)In: Bioresource Technology, ISSN 0960-8524, E-ISSN 1873-2976, Vol. 335, article id 125282Article in journal (Refereed) Published
Abstract [en]

The aim of this investigation was to study the effects of cow manure biochar (CMB) on the distribution of heavy metal resistant bacterial (HMRB) community succession during sheep manure (SM) composting. The experiments were conducted with six different ratio of CMB (0%(T1), 2.5%(T2), 5%(T3), 7.5%(T4), 10%(T5) and 12% (T6) on a dry weight basis) and 0% is used as control. The results showed that the most dominant phylum were Proteobacteria (40.89%-5.65%) and Firmicutes (0.16%-93.18%), and 7.5% CMB mixed with sheep manure for best results. Thus, significant correlation was noticed among the analyzed physicochemical factors, gaseous emission and bacterial phylum in used 7.5–10% CMB applied for SM composting. Overall, the application of biochar increased the diversity of the bacterial community and promoted the degradation of organic matter. In addition, 7.5–10% CMB applied treatments showed greater immobilization of HMRB community succession during SM composting.

Place, publisher, year, edition, pages
Elsevier, 2021. Vol. 335, article id 125282
Keywords [en]
Bacterial community succession distribution, Cow manure biochar, Heavy metal resistant, Sheep manure, biochar, charcoal, heavy metal, animal, bovine, composting, female, manure, sheep, soil, Animals, Cattle, Metals, Heavy
National Category
Microbiology
Research subject
Resource Recovery
Identifiers
URN: urn:nbn:se:hb:diva-25899DOI: 10.1016/j.biortech.2021.125282ISI: 000660499200007PubMedID: 34020875Scopus ID: 2-s2.0-85107044007OAI: oai:DiVA.org:hb-25899DiVA, id: diva2:1579862
Available from: 2021-07-12 Created: 2021-07-12 Last updated: 2021-07-13Bibliographically approved

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Mukesh Kumar, Awasthi

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