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Taxonomic diversity indices calculated for the three studied soils (S1: control; S2: irrigated with TWW for 5 years; S3: irrigated with TWW for 25 years). Richness (S), expressed as the number of OTUs, and alpha diversity indices with Pielou evenness (J′) and Shannon indices (H′) are displayed.
| Soil | Number of OTUs (S) | Pielou's evenness (J′) | Shannon index (H′) |
|---|---|---|---|
| S1 | 114 | 0.90402 | 5.803 |
| S2 | 129 | 0.88688 | 5.932 |
| S3 | 148 | 0.86927 | 6.047 |
