| Nitrogen Sources | Wheat varieties | Mean | |||
| Siron-10 | Ata Habib | Janbaz-09 | Pirsabak-2008-08 | ||
| Control | 0.05 | 0.04 | 0.05 | 0.04 | 0.05 d |
| Urea | 0.05 | 0.06 | 0.07 | 0.05 | 0.06 c |
| FYM | 0.07 | 0.06 | 0.05 | 0.09 | 0.07 b |
| Urea + FYM | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 a |
| Mean | 0.06 | 0.06 | 0.06 | 0.07 |
|