| K levels (kg∙ha−1) | Cultivars | Mean | ||
| Bulbul-98 | Abaseen-95 | Durre-NIFA |
| |
| 0 | 163.2 | 188.7 | 194.4 | 182.1d |
| 30 | 167.6 | 194.3 | 197.3 | 186.4c |
| 60 | 175.4 | 210.5 | 207.6 | 197.8b |
| 90 | 188.6 | 221.2 | 214.0 | 207.9a |
| 120 | 177.2 | 204.5 | 205.0 | 195.5b |
| Mean | 174.4 b | 203.8 a | 203.6 a |
|