Fig. 3From: Diagnosing bioremediation of crude oil-contaminated soil and related geochemical processes at the field scale through microbial community and functional genesVariations in a 16S rRNA gene concentrations and b–h the concentration ratios (R) of functional genes to 16S rRNA genes with remediation time in the Ctrl, BS, and BA blocks. Error bars present the standard deviation (SD) of test results (n = 2)Back to article page