Effects of Turning Frequency on Ammonia Emission during the Composting of Chicken Manure and Soybean Straw
文献类型： 外文期刊
第一作者： Ma, Qianqian
作者： Ma, Qianqian;Li, Yanli;Li, Zhaojun;Ma, Qianqian;Li, Yanli;Li, Zhaojun;Xue, Jianming;Xue, Jianming;Cheng, Dengmiao
作者机构： Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Key Lab Plant Nutr & Fertilizer, Minist Agr & Rural Affairs, Beijing 100081, Peoples R China;Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, China New Zealand Joint Lab Soil Mol Ecol, Beijing 100081, Peoples R China;SCION, Private Bag 29237, Christchurch 8440, New Zealand;Nanjing Forestry Univ, Coll Biol & Environm, Nanjing 210037, Peoples R China;Dongguan Univ Technol, Res Ctr Ecoenvironm Engn, Dongguan 523808, Peoples R China
关键词： composting; turning frequency; ammonia oxidizing bacterial; ammonia oxidizing archaeal; N fractions; ammonia emission
期刊名称：MOLECULES （ 2021影响因子：4.927； 五年影响因子：5.11 ）
年卷期： 2022 年 27 卷 2 期
收录情况： SCI
摘要： Here, we investigated the impact of different turning frequency (TF) on dynamic changes of N fractions, NH3 emission and bacterial/archaeal community during chicken manure composting. Compared to higher TF (i.e., turning every 1 or 3 days in CMS1 or CMS3 treatments, respectively), lower TF (i.e., turning every 5 or 7 days in CMS5 or CMS7 treatments, respectively) decreased NH3 emission by 11.42-18.95%. Compared with CMS1, CMS3 and CMS7 treatments, the total nitrogen loss of CMS5 decreased by 38.03%, 17.06% and 24.76%, respectively. Ammonia oxidizing bacterial/archaeal (AOB/AOA) communities analysis revealed that the relative abundance of Nitrosospira and Nitrososphaera was higher in lower TF treatment during the thermophilic and cooling stages, which could contribute to the reduction of NH3 emission. Thus, different TF had a great influence on NH3 emission and microbial community during composting. It is practically feasible to increase the abundance of AOB/AOA through adjusting TF and reduce NH3 emission the loss of nitrogen during chicken manure composting.
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