文献类型： 外文期刊
作者： Wang, Jingwen 1 ; Pan, Junting 2 ; Ma, Xuzhe 1 ; Li, Songling 3 ; Chen, Xing 1 ; Liu, Tao 1 ; Wang, Quan 1 ; Wang, Jim J. 5 ; Wei, Dan 6 ; Zhang, Zengqiang 1 ; Li, Ronghua 1 ;
作者机构： 1.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, Key Lab Non Point Source Pollut, Minist Agr & Rural Affairs, Beijing 100081, Peoples R China
3.Qinghai Univ, Qinghai Acad Agr & Forestry Sci, Qinghai 810016, Peoples R China
4.Minist Agr, Key Lab Plant Nutr & Agri Environm Northwest Chin, Yangling 712100, Shaanxi, Peoples R China
5.Louisiana State Univ Agr Ctr, Sch Plant Environm & Soil Sci, 104 Sturgis Hall, Baton Rouge, LA 70803 USA
6.Beijing Acad Agr & Forestry Sci, Beijing 100097, Peoples R China
关键词： Solid digestate biochar; Pig manure; Compost; NH3 loss; Nitrogen cycle
期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：11.889； 五年影响因子：11.139 ）
ISSN： 0960-8524
年卷期： 2022 年 349 卷
页码：
收录情况： SCI
摘要： Effect of solid digestate biochar (DB) on nitrogen cycle and balance was evaluated during composting by adding DB into mixtures of pig manure and Lycium chinensis branch filings. Results indicated that DB addition improved composting microenvironment and increased the total N content of the final product. Furthermore, N balance calculation indicated that the NH3 and N2O emissions accounted for 72.14%-81.39% and 0.49%-2.37% of the total N loss without DB addition, respectively. After using DB, the N reductions in the form of NH3 and N2O reduced from 10.78% to < 5.73% and from 0.34% to < 0.041% of total N, respectively. Addition of DB affected N fixation with 92.32%-93.67% of total N fixed in the compost than that of the T1 treatment (85.63%). DB amendment enhanced the aerobic bacterial communities and hindered anaerobic bacterial growth, thus benefiting the NH3 and N2O emission mitigation and N conservation.
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