Co-composting with cow dung and subsequent vermicomposting improve compost quality of spent mushroom
文献类型： 外文期刊
作者： Yu, Xiaolan 1 ; Li, Xiaoliang 2 ; Ren, Changqi 3 ; Wang, Jinchuang 1 ; Wang, Chaobi 4 ; Zou, Yukun 1 ; Wang, Xiongfei 4 ; Li, Guangyi 1 ; Li, Qinfen 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou 571101, Hainan, Peoples R China
2.Chinese Acad Trop Agr Sci, Trop Crops Genet Resources Inst, Minist Agr, Key Lab Crop Gene Resources & Germplasm Enhanceme, Haikou 571101, Hainan, Peoples R China
3.Chinese Acad Trop Agr Sci, Rubber Res Inst, Haikou 571101, Hainan, Peoples R China
4.Hainan Soil & Fertilizer Stn, Haikou 571100, Hainan, Peoples R China
5.Hainan Key Lab Trop Ecocircular Agr, Haikou 571101, Hainan, Peoples R China
关键词： Enzyme activity; Fungi and bacteria; Manure; Nutrients; Organic waste
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 358 卷
页码：
收录情况： SCI
摘要： In order to determine a feasible degrading process for spent mushroom (SMS) with high lignin content, the present work used cow dung (CD), SMS, and a mixture of CD and SMS as substrates and evaluated the effects of vermicomposting on the microflora and the quality of composting products. Bacterial (R2 = 0.548, P = 0.001) and fungal (R2 = 0.314, P = 0.005) community both were different between composting and vermicomposting. Vermicomposting and substrates affected enzyme activities indirectly by affecting ammonium, pH, total carbon, richness, and bacterial community composition. These results suggested that appropriate regulation of environmental factors may increase microbial activity. An increase in ion-exchange capacity (up to 139.8%), pH (6.9%), and nitrate (71.1%) and a decrease in total carbon (31.2%) and carbon/nitrogen ratio (32.1%) in vermicomposting indicated that earthworms could further improve product quality. Co-composting with CD and integrated subsequent vermicomposting efficiently promoted the maturity of SMS.
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