| K levels (kg∙ha−1) | Cultivars | Mean | ||
| Bulbul-98 | Abaseen-95 | Durre-NIFA |
| |
| 0 | 3.3 | 2.9 | 2.7 | 3.0d |
| 30 | 3.5 | 3.2 | 3.2 | 3.3c |
| 60 | 3.6 | 3.4 | 3.4 | 3.5b |
| 90 | 3.7 | 3.8 | 3.6 | 3.7a |
| 120 | 3.6 | 3.8 | 3.5 | 3.6ab |
| Mean | 3.5 a | 3.4 ab | 3.3 b |
|