| Phosphorus (kg∙ha−1) | Application methods | Mean | |
| Drilling | Broadcast | ||
| 0 | 7.00 | 6.66 | 6.83 d |
| 30 | 11.00 | 8.33 | 9.66 c |
| 60 | 13.00 | 10.66 | 11.83 b |
| 90 | 14.66 | 12.33 | 13.50 a |
| Mean | 11.41 a | 9.50 b | ― |