| Treatments | Yield (kg/ha) | Cumulative evapotranspiration (mm) | Water productivity (kg/mm) |
| 0 | 3002 | 153 | 19.6 |
| 60 | 7832 | 299 | 29.1 |
| 80 | 9068 | 309 | 29.3 |
| 100 | 10,399 | 328 | 31.7 |
| 120 | 10,028 | 359 | 27.9 |
| 140 | 10,477 | 373 | 28.1 |