Spray equipment | Arimitsu knapsack motor sprayer | CZP-3 knapsack sprayer | Economy Micron Ulva knapsack sprayer |
Type of spraying | Pneumatic (aperture 2) | Hydraulic | Rotary disk (7000 RPM) |
Nozzle type | Shear-rotary disc | Hollow cone nozzle | Pink restrictor |
Spray tank size (L) | 20.0 | 20.0 | 1.0 + 10.0 |
Rate of application (L/hectare) | 11.34 | 33.60 | 5.04 |
Working speed (Km/h) | 2.4% ± 5% in all treatments | ||
Swath width (m) | 7.0 | 0.5 | 1.5 |
Flow rate (L/min.) | 1.81 | 0.39 | 0.17 |
Spray height (m) | 0.5 in all treatments | ||
Type of spraying technique | Target spraying in all treatments | ||
Productivity (hectare/day) | 1.68 | 0.12 | 0.36 |
Rate of performance (hectare/day) | 6.72 | 0.47 | 1.43 |