| from soil | 18 | location |
| frequently | 16 | temporal |
| from the field | 15 | other |
| bacteria → be → isolated | 267 |
| bacteria → be isolated in → this study | 10 |
| bacteria → be isolated in → present study | 3 |
| negative | neutral | positive |
| 0.220 | 0.710 | 0.071 |
| Raw frequency | 280 |
| Normalized frequency | 0.678 |
| Modifier score | 0.631 |
| Perplexity | 206.405 |