| for plant growth | 25 | purpose |
| to life | 25 | other |
| for plant health | 11 | purpose |
| nitrogen → be → essential | 95 |
| nitrogen → be → important | 33 |
| nitrogen → be → vital | 22 |
| nitrogen → be → crucial | 13 |
| negative | neutral | positive |
| 0.108 | 0.557 | 0.334 |
| Raw frequency | 163 |
| Normalized frequency | 0.950 |
| Modifier score | 0.500 |
| Perplexity | 33.059 |