| K levels (kg∙ha−1) | Cultivars | Mean | ||
| Bulbul-98 | Abaseen-95 | Durre-NIFA |
| |
| 0 | 41.9 | 42.1 | 42.9 | 42.3c |
| 30 | 42.5 | 41.9 | 42.5 | 42.3c |
| 60 | 44.0 | 44.3 | 44.7 | 44.3b |
| 90 | 44.5 | 45.0 | 45.6 | 45.0a |
| 120 | 45.0 | 44.9 | 45.6 | 45.1a |
| Mean | 43.6 b | 43.6 b | 44.3 a |
|