Abstract：
:This study aimed to investigate different transformation mechanisms of organic nitrogen (N) fractions during composting with different raw materials, and the contributions of bacterial communities and environmental factors to organic N fractions transformation. The results showed that high molecular weight organic N was first degraded to low molecular weight organic N and then turned into NH4+ during chicken manure composting. In comparison, organic N fractions were stored in composts rather than mineralization during garden waste and municipal solid waste composting. Meanwhile, bacterial communities, environmental factors and the combination of them were the main drivers of N transformation during chicken manure, municipal solid waste and garden waste composting, respectively. In conclusion, the proposed organic N transformation mechanisms in this study provided a theoretical basis for improving the quality of compost products.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Zhou H,Zhao Y,Yang H,Zhu L,Cai B,Luo S,Cao J,Wei Zdoi
10.1016/j.biortech.2018.04.088subject
Has Abstractpub_date
2018-08-01 00:00:00pages
221-228eissn
0960-8524issn
1873-2976pii
S0960-8524(18)30611-4journal_volume
262pub_type
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