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Positive impact of biochar alone and combined with bacterial consortium amendment on improvement of bacterial community during cow manure composting

Yumin Duan, Sanjeev Kumar Awasthi, Tao Liu, Shivpal Verma, Quan Wang, Hongyu Chen, Xiuna Ren, Zengqiang Zhang, Mukesh Kumar Awasthi
Bioresource technology 2019 v.280 pp. 79-87
Dysgonomonas, Marinimicrobium, Pseudomonas, Tissierella, bacterial communities, bacterial culture, biochar, cow manure, high-throughput nucleotide sequencing, statistical analysis, straw
The present work studied to evaluate the effectiveness under the interaction of bacterial consortium and biochar applied to give impetus to bacterial community activities among cow manure composting. High-throughput sequencing technique and six treatments were carried out: T2, T3 and T6 were single apply of bacteria culture (C), 12%wood biochar (12%WB) and 12%wheat straw biochar (12%WSB), respectively, while T4 and T5 were bacterial consortium combined with 12%WB and 12%WSB respectively, and T1 was used as control. The conclusion shows that the richness of bacterial community were most prosperity in T5 and T4 that in line with the statistical analysis angle of curves and cluster. The dominate phyla of Firmicutes, Proteobacteria and Bacteroidetes were accounted to 31.36%, 34.79% and 33.85%, the superior genera were Dysgonomonas (16.55%), Empedobater (9.39%), Atopostipes (13.42%), Tissierella (8.25%), Marinimicrobium (14.45%) and Pseudomonas (9%). Overall, bacterial consortium combined with biochar could stimulate microbe activity to accelerate degradation, enhance richness and alter specific selection of bacterial community.