| ASW deficit levels (%) | P rates (kg∙ha−1) | |||||||||
| 0 | 10 | 20 | 30 | Mean | ||||||
| 0 | 0.045b | 0.043b | 0.050b | 0.072a | 0.053 | |||||
| 25 | 0.038b | 0.038b | 0.045b | 0.043b | 0.041 | |||||
| 50 | 0.015c | 0.018c | 0.013c | 0.015c | 0.015 | |||||
| 75 | 0.001d | 0.001d | 0.001d | 0.001d | 0.001 | |||||
| Mean | 0.025 | 0.025 | 0.027 | 0.033 | ||||||
| CV (%) | 20.51 | |||||||||
| LSD SE± | ASW*P = 0.014 2.13 | |||||||||