The changes in carbon, nitrogen components and humic substances during organic-inorganic aerobic co-composting
文献类型： 外文期刊
作者： Yu, Huiyong 1 ; Xie, Beitao 2 ; Khan, Rayyan 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, Peoples R China
2.Shandong Acad Agr Sci, Crop Res Inst, 202 Gongyebei Rd, Jinan 250100, Shandong, Peoples R China
关键词： Compost; Value-added fertilizer; Biochar
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： 2019 年 271 卷
页码：
收录情况： SCI
摘要： In this article, the changes in carbon, nitrogen components, and humic substances during organic-inorganic aerobic co-composting, with adding biochar as an additive or not, were studied. Results showed that adding a certain amount of inorganic fertilizers had no adverse effects on the compost fermentation process. Biochar enhanced the temperature, pH, oxygen content in the compost piles and ultimately hastened the fermentation process. Biochar contributed to the decomposition of hemicellulose, cellulose, lignin and promoted compost humification. Adding biochar increased the contents of acid hydrolysis nitrogen, amino acid nitrogen, amino sugar nitrogen, unidentified organic nitrogen and decreased the content of ammonia organic nitrogen thus improved nitrogen transformation and reduced nitrogen loss. The addition of biochar increased the nutrients contents in mature composts. The amendment of 10-15% biochar by weight as an additive would be optimum for the co-composting of organic-inorganic materials. These results contributed to produce value-added composting fertilizers.
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