TOPPS-PROWADIS Værktøj til vurdering af afdrift
Site-specific drift risk evaluation & mitigation
ORCHARD
Just a few clicks towards responsible use of plant protection products
- Get aware of risk of drift and possible contamination of sensitive areas with pesticides
- Learn how to avoid risk of drift and how to mitigate it
- See the recommendations and follow them to apply pesticides safely
Spray Application Site
Is the treatment posing risk?
Check for presence of sensitive areas in the surroundings of the sprayed fields
Meteo & Orchard Conditions
How the field conditions influence risk?
Check the weather conditions, crop properties and adjacent structures
Drift Risk Mitigation
How can you mitigate risk?
Check the influence of Spray Drift Reduction Technology and application parameters on risk
Field & Weather Situation |
Application Situation |
Drift Risk Value
- 25%
- 50%
- 75%
- 100%
- 125%
- 150%
- 175%
- 200%
0%
0%
Sensitive Area: Distance between the sensitive area and the spray application site
spraying within the zone of awareness (buffer zone + 5 rows or 20 m)

Buffer zone
Zone of awareness
spraying beyond the zone of awareness (buffer zone + 5 rows or 20 m)

Buffer zone
Zone of awareness
Anbefaling
Text
Wind: Direction

TOWARDS sensitive area
PARALLEL to sensitive area
AWAY FROM the sensitive area
Air: Temperature

< 15°C
15 - 25°C
> 25°C
Crop: Canopy density

10%
25%
50%
75%
90%
Wind: Velocity

CALM < 0,5 m/s
LOW 0,5 - 1,5 m/s
MEDIUM 1,6 - 3,0 m/s
HIGH 3,1 - 4,0 m/s
VERY HIGH > 4,0 m/s
Air: Humidity

< 40%
40 - 60%
> 60%
Orchard: Adjacent structure

BARE GROUND
MEADOW
HIGH VEGETATION, WINDBREAK
HAILNET
Anbefaling
Text
Anbefaling
Text
DRIFT REDUCTION TECHNOLOGY CLASSIFICATION:
NO CLASSIFICATION
25 %
50 %
75 %
90 %
95 %
99 %
other: %
APPLICATION PARAMETERS: Driving velocity

3 - 4,5 km/h
4,6 - 6 km/h
6,1 - 8 km/h
> 8 km/h
SPRAYER ADJUSTMENT: Spray output adjustment

No special adjustment
Number of nozzles visually adjusted to crop height
Above + output of nozzles visually adjusted to tree height
Spray range and distribution adjusted by sprayer test service
SPRAYER ADJUSTMENT: Air-flow adjustment

No special adjustment
Airflow velocity visually adjusted to crop density
Above + air direction/deflection visually adjusted to crop density
Airflow velocity and direction adjusted by sprayer test service
APPLICATION METHOD: Sprayer type

AXIAL FLOW
CROSS FLOW
MULTI-SPOUT
TUNNEL / REFLECTION / RECYCLING
APPLICATION METHOD: Nozzle type & pressure

HOLLOW CONE
@ < 10 bar
@ < 10 bar
HOLLOW CONE
@ > 10 bar
@ > 10 bar
AIR-IND. HOLLOW CONE
@ < 10 bar
@ < 10 bar
AIR-IND. HOLLOW CONE
@ > 10 bar
@ > 10 bar
AIR-IND. FLAT FAN
@ < 10 bar
@ < 10 bar
AIR-IND. FLAT FAN
@ > 10 bar
@ > 10 bar
PNEUMATIC ATOMISER
FLAT FAN @ < 10 bars
FLAT FAN @ > 10 bars
APPLICATION SCENARIO: Spray scenario

SPRAYING ON BOTH SIDES of TREE ROWS
SPRAYING ON OUTER SIDE of ROW 1
SPRAYING ON OUTER SIDES of ROWS 1+2
SPRAYING ON OUTER SIDES of ROWS 1+2+3
APPLICATION SCENARIO: Air-flow scenario

BLOWING ON BOTH SIDES of TREE ROWS
BLOWING ON OUTER SIDE of ROW 1
BLOWING ON OUTER SIDES of ROWS 1+2
BLOWING ON OUTER SIDES of ROWS 1+2+3
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