| ASW deficit levels (%) | Drought Sensitivity Index |
| 0 | - |
| 25 | 0.0423c |
| 50 | 0.5616b |
| 75 | 0.9604a |
| P rates (kg∙ha−1) | |
| 0 | 0.53 |
| 10 | 0.53 |
| 20 | 0.52 |
| 30 | 0.51 |
| Ns | |
| CV (%) LSD (0.05) SE± | 6.42 0.0289 3.39 |