Fig. 3From: Effects of C and N application on Azotobacter and nitrogen cycle in farmland soils of central Guizhou, ChinaSpecies with significant differences in relative abundance among groups; extended error bars are shown. A Significantly different species between group CK and other groups (P < 0.01, mean ratio n = 3; identical values for comparisons in other panels); B significantly different species between group C and other groups; C significantly different species between group N and other groups; D significantly different species between group CN and other groupsBack to article page