Table 2.
Bacterial OTU numbers and the proportions exhibiting preferences for specific particle size fractions given as mean and standard deviation of corresponding technical replicates.
| Number of OTUs | Contribution to total sequences/% | ||||
|---|---|---|---|---|---|
| Sand with POM | Coarse silt | Fine silt | Clay | ||
| UNF | 406 | 70.4 ± 3.2 | 62.2 ± 0.9 | 65.5 ± 1.4 | 51.0 ± 1.2 |
| NPK | 472 | 71.3 ± 1.5 | 66.9 ± 0.5 | 71.4 ± 0.2 | 60.9 ± 0.8 |
| AM | 321 | 60.4 ± 1.5 | 53.6 ± 0.8 | 53.6 ± 0.6 | 44.4 ± 0.9 |
| Preferences only found in UNF | 79 | 4.9 ± 1.2 | 2.6 ± 0.3 | 3.2 ± 0.2 | 3.9 ± 0.1 |
| Preferences only found in NPK | 137 | 13.4 ± 4.5 | 7.4 ± 0.0 | 7.4 ± 0.2 | 9.1 ± 0.2 |
| Preferences only found in AM | 38 | 1.6 ± 0.4 | 1.7 ± 0.3 | 1.3 ± 0.0 | 1.2 ± 0.1 |
| Preferences in all replicates | |||||
| UNF | 54.0 ± 2.4 | 49.3 ± 1.0 | 50.8 ± 1.1 | 34.4 ± 1.0 | |
| NPK | 223 | 48.8 ± 2.8 | 47.2 ± 1.2 | 50.5 ± 0.2 | 36.8 ± 1.5 |
| AM | 55.5 ± 1.6 | 47.3 ± 1.1 | 45.9 ± 0.9 | 36.8 ± 0.8 | |