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. 2016 Mar 15;7:323. doi: 10.3389/fmicb.2016.00323

FIGURE 2.

FIGURE 2

Comparative abundance and putative identification of the top 20 key metabolites statistically differentiating the control and drought sites. Individual panels show the pairwise analysis between (A) control plots and pre-excluded plots, (B) control plots and de-novo plots, and (C) pre-excluded plots and de-novo plots. The bars are coded by site (control, re-excluded, and de novo), and the broad classes of the different compounds are color-coded.