| as a cover crop | 8 | manner |
| with growing in china | 3 | other |
| commercially | 2 | manner |
| buckwheat → be → plant | 22 |
| buckwheat → be → planted | 11 |
| buckwheat → be → grown | 11 |
| buckwheat → be → cultivated | 6 |
| negative | neutral | positive |
| 0.062 | 0.705 | 0.233 |
| Raw frequency | 50 |
| Normalized frequency | 0.742 |
| Modifier score | 0.733 |
| Perplexity | 41.914 |