| ASW deficit levels (%) | P rates (kg∙ha−1) | |||||
| 0 | 10 | 20 | 30 | Mean | ||
| 0 | 0.762bcd | 0.847bc | 0.887b | 1.285a | 0.945 | |
| 25 | 0.715bcd | 0.717bcd | 0.815bcd | 0.787bcd | 0.758 | |
| 50 | 0.610cd | 0.620cd | 0.587d | 0.580d | 0.599 | |
| 75 | 0.061e | 0.068e | 0.175e | 0.061e | 0.091 | |
| Mean | 0.537 | 0.563 | 0.616 | 0.678 | ||
| CV (%) | 15.98 | |||||
| LSD (0.05) SE± | ASW*P = 0.25 2.28 | |||||