腐殖质
稻草
纤维素
肥料
细菌
化学
降级(电信)
微生物种群生物学
细菌纤维素
农学
食品科学
土壤水分
生物
生物化学
生态学
电信
遗传学
计算机科学
作者
Xinguang Wang,Lei Tian,Yingxin Li,Cheng Zhong,Chunjie Tian
标识
DOI:10.1016/j.biortech.2022.127458
摘要
This study aimed to reveal the potential mechanism of influence exogenous cellulose-degrading bacteria (ECDB) exerted on humus synthesis during the co-composting of corn straw and cattle manure. By measuring the changes in physicochemical factors and bacterial communities, it was revealed that inoculation with ECDB enhanced the driving force of cellulose degradation and humus synthesis. ECDB not only directly participated in cellulose degradation as degrading bacteria, but also changed the bacterial community succession, and increased the abundance of bacterial communities associated with cellulose degradation. The results showed that ECDB stimulated the potential functions and interactions of bacterial communities. Structural equation modeling confirmed that ECDB acted mainly as a bioactivator to promote humus formation in co-composting of corn straw and cattle manure. Taken together, these findings offered new strategies which can be effectively utilized to increase the efficiency and quality of corn straw composting.
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