Evaluation of fungal dynamics during sheep manure composting employing peach shell biochar

In this study, explored the influence of different proportion (0%, 2.5%, 5%, 7.5%, and 10%) peach shell biochar (PSB) with microbial agents (EM) on the carbon transformation, humification process and fungal community dynamics during sheep manure (SM) composting. And no additives were used as control. The results manifested that the CO2 and CH4 emissions were effectively reduced 8.23%similar to 13.10% and 17.92%similar to 33.71%. The degradation rate of fulvic acid increased by 17.12%similar to 23.08% and the humic acid contents were enhanced by 27.27%similar to 33.97% so that accelerated the composting. Besides, the dominant fungal phylum was Ascomycota (31.43%similar to 52.54%), Basidiomycota (3.12%similar to 13.85%), Mucoromycota (0.40%similar to 7.61%) and Mortierellomycota (0.97%similar to 2.39%). Pearson correlation analysis and network indicated that there were different correlations between physicochemical indexes and fungal community under different additive concentrations. In brief, the two modifiers application promoted the SM degradation and affected the fungal community structure.