| K levels (kg∙ha−1) | Cultivars | Mean | ||
| Bulbul-98 | Abaseen-95 | Durre-NIFA |
| |
| 0 | 12.2 | 11.9 | 10.5 | 11.5c |
| 30 | 12.8 | 12.7 | 13.1 | 12.9b |
| 60 | 14.8 | 14.4 | 13.8 | 14.3a |
| 90 | 14.8 | 14.8 | 14.2 | 14.6a |
| 120 | 15.0 | 14.6 | 14.1 | 14.6a |
| Mean | 13.9 a | 13.7 a | 13.1 b |
|