| Phosphorus (kg∙ha−1) | Application methods | Mean | |
| Drilling | Broadcast | ||
| 0 | 1700 c | 1700 c | 1700 d |
| 30 | 2941.66 d | 2668.33 d | 2805.00 c |
| 60 | 3512.33 c | 2915.00 d | 3213.66 b |
| 90 | 4532.33 a | 3948.66 b | 4240.50 a |
| Mean | 3171.58 a | 2808.04 b | ― |