Fig. 2
The wood-inhabiting bacterial community a diversity, b richness, and c evenness after one and two years of decomposition in different biochar treatments. The number before and after "/" represents the pyrolysis temperature of biochar (°C) and application amount of biochar (kg m−2), Lowercase letters were used to indicate the significant difference (P < 0.05) among the five treatments within the same year after biochar application. Sobs: observed species, invsimpson: invers simpson