Start practice — 8 questions →
Sample questions
Which of the following is a stated potential effect on trees and shrubs growing in treated water?
- Root rot
- Chlorosis
- Leaf drop
- Stunted growth
Show answer
Note that trees and shrubs growing in treated water may occasionally develop chlorosis.🔗 Source
According to the label, what is the maximum application rate of Sonar RTU allowed per acre foot in a single growing season?
- 1 quart
- 2 quarts
- 3 quarts
- 4 quarts
Show answer
Do not apply more than 3 quarts of Sonar RTU per acre foot in a single growing season.🔗 Source
Which method of application is explicitly prohibited for this product?
- Direct application to water
- Application via sprayers
- Application through any type of irrigation system
- Application by hand
Show answer
Do not apply through any type of irrigation system.🔗 Source
Under which weather conditions should Sonar RTU be applied to achieve the best results?
- Overcast, humid, and calm
- Sunny, dry, and non-windy
- Sunny, wet, and windy
- Cloudy, dry, and breezy
Show answer
For best results, apply when weeds are actively growing under sunny, dry, and non-windy conditions.🔗 Source
Regarding weather timing, when should an applicator avoid applying the product?
- If rain is predicted within 24 hours
- If wind speeds exceed 10 mph
- During extreme heat
- During cloudy weather
Show answer
Avoid application if rain is predicted within 24 hours.🔗 Source
If a technician intends to irrigate established turf, crops, or ornamental plants using treated water, how long must they wait after application?
- 24 hours
- 14 days
- 30 days
- 60 days
Show answer
Do not use treated water for irrigation of established turf, crops, or ornamental plants for 30 days after application.🔗 Source
When is it necessary to use higher application rates of Sonar RTU?
- When treating milfoil in deep ponds
- When treating duckweed in sunny conditions
- When seeking partial control of watermeal
- When applying to lilies
Show answer
For partial control of watermeal, higher application rates are required.🔗 Source
What is the required waiting period before irrigating seedling grasses, crops, or new plantings after treatment?
- 30 days
- 45 days
- 60 days
- 90 days
Show answer
Do not irrigate seedling grasses, crops, or new plantings for 60 days after treatment.🔗 Source
← All practice exams