Effects of biochar and wood vinegar co-application on composting ammonia and nitrous oxide losses and fertility

文献类型： 外文期刊

第一作者： Huang, Wang

作者： Huang, Wang;Sun, Haijun;Jiang, Jiang;Xue, Lihong;Huang, Wang;Feng, Yanfang;Ma, Yaxin;Sun, Xiaolong;Gong, Xueliu;Gong, Xueliu

作者机构：

关键词： Bioresource cycling; Compost nutrients; DOM; Reactive gaseous N; Benefits

期刊名称：BIORESOURCE TECHNOLOGY （ 影响因子：9.0； 五年影响因子：9.5 ）

ISSN： 0960-8524

年卷期： 2024 年 412 卷

页码：

收录情况： SCI

摘要： Composting faces challenges with nitrogen (N) losses through ammonia (NH3) and nitrous oxide (N2O) emissions. In this study, wood vinegar (WV) and biochar (BC) were applied individually or combined into wheat straw and chicken manure composting. Results showed that BC and WV reduced NH3 volatilizations by 22-23 % individually, but their combined application achieved a 59 % reduction. However, this combination increased N2O emissions by 174 %. The BC + WV treatment improved compost quality, evidenced by increased total N content by 22 % and enhanced the biological index, promoting additional dissolved organic matter production. Overall, BC and WV applications improved compost quality, reduced gaseous N losses, and supported the re-utilization of agricultural residues. The combined use of BC and WV significantly enhances compost quality and reduces NH3 emissions, offering a promising solution for sustainable agricultural residue management.

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