| Periods of evaluation | Heights of Residues (cm) | Mean | |||
| 10 | 20 | 30 | 40 | ||
| Jan-Mar | 4.07 | 4.13 | 5.70 | 5.80 | 4.93 |
| Apr-Jun | 3.84 | 4.27 | 4.89 | 5.09 | 4.52 |
| Jul-Sep | 3.80 | 4.13 | 4.73 | 5.09 | 4.44 |
| Oct-Dec | 4.02 | 3.96 | 4.29 | 5.02 | 4.32 |
| Mean | 3.93 | 4.12 | 4.90 | 5.25 | |