| very | 36 | degree |
| to life on earth | 27 | transitive-object |
| for ecosystem health | 15 | purpose |
| soil → be → important | 173 |
| soil → be → essential | 109 |
| soil → be → vital | 49 |
| soil → be → crucial | 15 |
| negative | neutral | positive |
| 0.117 | 0.558 | 0.325 |
| Raw frequency | 346 |
| Normalized frequency | 0.679 |
| Modifier score | 0.383 |
| Perplexity | 99.387 |