| K levels (kg∙ha−1) | Cultivars | Mean | ||
| Bulbul-98 | Abaseen-95 | Durre-NIFA |
| |
| 0 | 12329.9 | 12889.5 | 7922.5 | 11047.3c |
| 30 | 12598.2 | 13147.7 | 8120.3 | 11288.8b |
| 60 | 12777.1 | 13270.2 | 8357.8 | 11468.4a |
| 90 | 12770.0 | 13302.0 | 8299.9 | 11457.3a |
| 120 | 12751.8 | 13337.3 | 8244.4 | 11444.5ab |
| Mean | 12645.4 b | 13189.3 a | 8189.0 c |
|