| K levels (kg∙ha−1) | Cultivars | Mean | ||
| Bulbul-98 | Abaseen-95 | Durre-NIFA |
| |
| 0 | 1506.9 | 1527.4 | 831.8 | 1288.7c |
| 30 | 1612.7 | 1666.5 | 1064.3 | 1447.8b |
| 60 | 1884.1 | 1920.6 | 1155.0 | 1653.2a |
| 90 | 1906.6 | 1940.7 | 1164.7 | 1670.7a |
| 120 | 1885.9 | 1940.7 | 1164.7 | 1663.8a |
| Mean | 1759.2 a | 1799.2 a | 1076.1 b |
|