Fig. 2From: Soil factors that contribute to the abundance and structure of the diazotrophic community and soybean growth, yield, and quality under biochar amendmentRelative abundances (%) of the dominant diazotrophic across different biochar treatments. a Phylum level, b genus level. B27, 45 t hm−2 biochar addition; B18, 30 t hm−2 biochar addition; B9, 15 t hm−2 biochar addition, B0, no biochar additionBack to article page