Roles of bacterial community in the transformation of organic nitrogen toward enhanced bioavailability during composting with different wastes.

08:00 EDT 6th April 2019 | BioPortfolio

Summary of "Roles of bacterial community in the transformation of organic nitrogen toward enhanced bioavailability during composting with different wastes."

This study aimed to explore the roles of bacterial community in the transformation of bioavailable organic-N (BON) during different wastes composting. BON fractions with different forms and molecular weights were identified in this study. Results indicated that core bacterial communities improved the availability of BON by degrading high molecular weights BON into low molecular weights BON during different wastes composting. A total of fifty-two core bacterial genera involved in BON transformation were identified by network analysis. Three types of high molecular weights BON fractions (amino acid-N, amine-N and amino sugar-N) were degraded by bacteria during chicken manure and garden waste composting, while only amine-N was degraded during municipal solid waste composting. Finally, moisture, C/N and pH were identified as the key operational parameters affecting BON transformation mediated by microorganisms, which can be used to improve bioavailability of organic-N and reduce N loss during composting.


Journal Details

This article was published in the following journal.

Name: Bioresource technology
ISSN: 1873-2976
Pages: 121326


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