| Season | Month | Number of sprays | Mean of intervals spray days | % of participants |
| Wet/rainy | March - June | 20 - 30 | 7 | 15 |
| July - October | 30 - 40 | 7 | 10 | |
| Dry | November - December | <10 | 14 | 100 |
| January - February | 10 - 20 | 14 | 100 |