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. 2019 Feb 25;10:290. doi: 10.3389/fmicb.2019.00290

FIGURE 4.

FIGURE 4

Plant-growth promotion experiments. Bars correspond to (A) Gnotobiotic assay, (B) Sterile Soil assay, and (C) Non-sterile soil assay. The results are means of twenty values ± SD, from two independent biological replicates. Means were compared with ANOVA analysis in combination with Tukey post-test, means were considered statistically different when p < 0.05. Bars with () above are statistically different from the negative control. CN, Negative control. C M3.7, Medium control. AZPP010, A. brasilense. AZFN010, A. chroococcum.