| highly | 3 | degree |
| at field capacity | 3 | other |
| to prevent wind | 3 | purpose |
| soil → be → plastic | 16 |
| soil → remain → plastic | 4 |
| soil → be covered with → plastic | 3 |
| negative | neutral | positive |
| 0.395 | 0.555 | 0.050 |
| Raw frequency | 23 |
| Normalized frequency | 0.291 |
| Modifier score | 0.900 |
| Perplexity | 403.900 |