FIGURE 7.

Stacked bar plots of bacterial taxonomic composition showing shifts in bacterial classes in response to crop sequence treatments, during the soybean growing season in the bulk soil and soybean rhizosphere soil. Each bar represents an average of three biological replicates. OTUs with similar species-level identity at 99% similarity in the Greengenes database are merged here. Taxa with less than 1% mean relative abundance across the samples studied are combined and shown as Others. Bar plots of bulk soil treatments of the relative abundance at the pre-seeding, V6, and R1 growth stages; as well as bar plots of the soybean rhizosphere soil of the relative abundance at the V6 and R1 growth stages are presented.