Fig. 4From: Influence of long-term fertilization on soil microbial biomass, dehydrogenase activity, and bacterial and fungal community structure in a brown soil of northeast ChinaRedundancy analysis biplot depicting the relationship among soil properties, dehydrogenase activity, microbial biomass C, fungal and bacterial Shannon diversity index. TN total N, SOC soil organic C, TP total P, AP available P, AHN alkali-hydrolyzable NBack to article page