| extremely | 23 | degree |
| unfortunately | 8 | manner |
| as supporting food production | 5 | purpose |
| soil → be → complex | 48 |
| soil → be → complex, heterogeneous systems | 7 |
| soil → be → complex system | 6 |
| soil → be → complex environment | 3 |
| negative | neutral | positive |
| 0.226 | 0.588 | 0.186 |
| Raw frequency | 64 |
| Normalized frequency | 0.438 |
| Modifier score | 0.800 |
| Perplexity | 328.458 |