Figure 4.
Relative abundance of phyla and proteobacterial classes for each soil library, in which 16S sequences were classified according to the nearest neighbor in the Greengenes database (http://greengenes.lbl.gov).
Relative abundance of phyla and proteobacterial classes for each soil library, in which 16S sequences were classified according to the nearest neighbor in the Greengenes database (http://greengenes.lbl.gov).