Composition of bacterial phyla and classes of untreated and ClO₂ treated samples.

<p>Percentage of relative abundance of bacterial phyla (A) and classes (B) of untreated and ClO₂ treated samples of irrigation water (IW), soil (Soil) and baby spinach (Crop). Bacterial community is the average of 5 individual samples. Data shown are phyla that comprised at least 1% of the sequences in at least one sample of a given agronomic habitat.