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Center Nozzle—Narrow Pattern (red)
(cont'd.)
2.1 bar
1331
1.32 L (0.35
(30 psi)
ml (45
US gallon)
fl oz)
/min
/min
2.8 bar
1508
1.51 L (0.40
(40 psi)
ml (51
US gallon)
fl oz)
/min
/min
Left and Right Nozzles—Wide Pattern (white)
Pressure
Flow Rate—New
0.7 bar
1508
1.51 L (0.40
(10 psi)
ml (51
US gallon)
fl oz)
/min
/min
1.4 bar
2159
2.16 L (0.57
(20 psi)
ml (73
US gallon)
fl oz)
/min
/min
2.1 bar
2602
2.61 L (0.69
(30 psi)
ml (88
US gallon)
fl oz)
/min
/min
2.8 bar
3017
3.03 L (0.80
(40 psi)
ml
US gallon)
(102
/min
fl oz)
/min
Determining Application Rate
Use the example results of the calculated speed, spray width,
and nozzle capacity to determine the application rate.
Note: The application rate may also be determined by
using the
Nozzle Flow Rate Chart (page
chemical manufacturer's label of recommendation.
The examples below are based on the following information:
•
Average ground speed = 8.4 kph (5.2 mph)
•
Spray width = 2.7 m (108 inches)
•
Number of nozzles = 2
•
Nozzle capacity = 3.0 L/min (.79 gpm)
Note: The numbers 6 and 600 are constants used in the
formulas shown below.
Liter per 100 m
2
Application Rate
Single nozzle capacity (Lpm) x Number
of nozzles x 6
Speed (kph) x Spray width (m)
1.19 to 1.45 L (0.32
to 0.39 US gallon)
/min
1.36 to 1.66 L (0.36
to 0.44 US gallon)
/min
Flow Rate—In Service
Nozzle
1.36 to 1.66 L (0.36
to 0.44 US gallon)
/min
1.94 to 2.38 L (0.51
to 0.63 US gallon)
/min
2.35 to 2.87 L (0.62
to 0.76 US gallon)
/min
2.73 to 3.33 L (0.72
to 0.88 US gallon)
/min
37), along with the
L
=
100 m
2
2.99 Lpm x 2 x 6
8.369 kph x 2.743 m
Liter per Hectar Application Rate
Single nozzle capacity (Lpm) x Number
of nozzles x 600
Speed (kph) x Spray width (m)
2.99 Lpm x 2 x 600
8.369 kph x 2.743 m
Note: The numbers 544; 136; and 5,940 are constants used
in the formulas shown below.
Quart per 1,000 ft
Single nozzle capacity (gpm) x Number
of nozzles x 544
Speed (mph) x Spray width (inches)
0.79 gpm x 2 x 544
5.2 mph x 108 inches
Gallon per 1,000 ft
Single nozzle capacity (GPM) x Number
of nozzles x 136
Speed (mph) x Spray width (inches)
0.79 gpm x 2 x 136
5.2 mph x 108 inches
Gallon per Acre Application Rate
Single nozzle capacity (gpm) x Number
of nozzles x 5,940
Speed (mph) x Spray width (inches)
0.79 gpm x 2 x 5,940
5.2 mph x 108 inches
38
1.563 L/100 m
2
(1.5
=
qt/1,000 ft
2
)
=
= 156 L/hectar(16.7 gal/acre)
2
Application Rate
=
= 1.5 qt/1,000 ft
2
(1.5 L/100 macre
2
Application Rate
=
= 0.38 gal/1,000 ft
(1.5 L/100 m
2
)
= 16.7 gal/acre
(156.1 L/ha)
L
hectar
qt
1,000 ft
2
2
)
gal
1,000 ft
2
2
gal
=
acre
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