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