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Effect of biochar and bacterial inoculum additions on cow dung composting.
Bioresource Technology ( IF 9.7 ) Pub Date : 2019-11-13 , DOI: 10.1016/j.biortech.2019.122407 Mukesh Kumar Awasthi 1 , Yumin Duan 2 , Sanjeev Kumar Awasthi 2 , Tao Liu 2 , Zengqiang Zhang 2
Bioresource Technology ( IF 9.7 ) Pub Date : 2019-11-13 , DOI: 10.1016/j.biortech.2019.122407 Mukesh Kumar Awasthi 1 , Yumin Duan 2 , Sanjeev Kumar Awasthi 2 , Tao Liu 2 , Zengqiang Zhang 2
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The present study evaluates the effectiveness of different types of biochar additives and bacterial inoculation on gaseous emission, nutrient preservation, and relevant functional bacterial community during cow manure composting. The result revealed that biochar and bacterial consortium inoculation effectively inhibited gaseous emission and improved carbon and nitrogen sequestration, remarkably enriching the abundance of the functional bacteria community. Notably, superior efficacy was found in 12% wheat straw biochar and bacterial consortium amendment composting of T6 with the lowest cumulative CO2-C and NH3-N (308.02 g and 12.71 g, respectively), minimal total C and N losses, and the highest bacterial population. Additionally, gaseous emission exhibited a strong correlation between physicochemical properties with intersection of 66.78% and a unique substrate utilizing bacterial communities. Consequently, the integrated application of biochar and bacterial consortium inoculation was suggested as an efficient method to adjust microbial activity and facilitate cellulose-rich waste degradation, enabling efficient management of organic waste from cow manure and wheat straw by composting.
中文翻译：
生物炭和细菌接种物添加对牛粪堆肥的影响。
本研究评估了牛粪堆肥过程中不同类型的生物炭添加剂和细菌接种对气体排放，养分保存和相关功能细菌群落的有效性。结果表明，生物炭和细菌联合体接种可有效抑制气体排放并改善碳和氮的固存，显着丰富了功能性细菌群落的丰富性。值得注意的是，在12％的小麦秸秆生物炭和细菌财团改良堆肥中，T6的累积CO2-C和NH3-N最低（分别为308.02 g和12.71 g），总C和N损失最小，最高，发现了更高的功效细菌种群。此外，气体排放在物理化学性质与交点66之间显示出很强的相关性。78％是利用细菌群落的独特底物。因此，建议将生物炭和细菌联合体接种的综合应用作为调节微生物活性和促进富含纤维素的废物降解的有效方法，从而能够通过堆肥有效管理牛粪和麦秸秆中的有机废物。
更新日期：2019-11-13
中文翻译：
生物炭和细菌接种物添加对牛粪堆肥的影响。
本研究评估了牛粪堆肥过程中不同类型的生物炭添加剂和细菌接种对气体排放，养分保存和相关功能细菌群落的有效性。结果表明，生物炭和细菌联合体接种可有效抑制气体排放并改善碳和氮的固存，显着丰富了功能性细菌群落的丰富性。值得注意的是，在12％的小麦秸秆生物炭和细菌财团改良堆肥中，T6的累积CO2-C和NH3-N最低（分别为308.02 g和12.71 g），总C和N损失最小，最高，发现了更高的功效细菌种群。此外，气体排放在物理化学性质与交点66之间显示出很强的相关性。78％是利用细菌群落的独特底物。因此，建议将生物炭和细菌联合体接种的综合应用作为调节微生物活性和促进富含纤维素的废物降解的有效方法，从而能够通过堆肥有效管理牛粪和麦秸秆中的有机废物。
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