The changes in functional marker genes associated with nitrogen biological transformation during organic-inorganic co-composting
文献类型： 外文期刊
作者： Yu, Huiyong 1 ; Xie, Beitao 2 ; Khan, Rayyan 1 ; Yan, Huifeng 1 ; Shen, Guoming 1 ;
作者机构： 1.Chinese Acad Agr Sci, Tobacco Res Inst, Key Lab Tobacco Biol & Proc, Minist Agr, Qingdao 266101, Shandong, Peoples R China
2.Shandong Acad Agr Sci, Crop Res Inst, 202 Gongyebei Rd, Jinan 250100, Shandong, Peoples R China
关键词： Compost; Nitrogen biological transformation; Functional marker genes
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.642； 五年影响因子：9.237 ）
ISSN： 0960-8524
年卷期： 2020 年 295 卷
页码：
收录情况： SCI
摘要： In this article, the changes in the functional marker genes associated with nitrogen biological transformation during the organic-inorganic co-composting process with adding biochar or not were studied. Results showed that the addition of biochar increased the abundance of ureC, AOA amoA and AOB amoA gene while decreased the abundance of nirK gene. The addition of 10% biochar by weight ratio was better for the optimization of nitrogen biological transformation process. The correlation analysis showed that the ureC gene was highly correlated with NH4+-N concentration while the AOA amoA and AOB amoA genes were moderately correlated with NH4+-N concentration. Similarly, the nirK gene was moderately correlated with NO3--N concentration. This work would contribute to understanding the mechanisms underlying in the nitrogen bio-transformation further at the molecular level during organic-inorganic co-composting.
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