CO Pesticide Applicator study materials
CO Pesticide Applicator study resources

CO Pesticide Applicator case studies

CO Pesticide Applicator · Put your knowledge to work in context.

The Colorado Pesticide Applicator Certification and Licensing Program is administered by the Colorado Department of Agriculture (CDA), which lists it among the agency's most requested information and files pesticides under its Plants division. This study set is independent preparation material for that program. The CO Pesticide Applicator case studies are 5 cases and about 3,501 words.

1

The 15 GPA That Wasn't: Recalibrating Before the Tank Is Filled

A custom applicator agrees to spray 45 acres of dryland wheat with a 300-gallon pull-type sprayer. The boom is 24 feet wide with 12 flat-fan nozzles on 24-inch spacing.

597 words, about 3 min
2

When the Dealer, the Label, and the SDS Disagree

A grower hands you two jugs and a 500-gallon tank for 80 acres of field corn. Product A's label states a rate of 1.5 to 2 pints per acre, then in the same directions section: 'Do not apply with sprayable fertilizer solutions,' 'Do not make more than two applications per season,' and 'Do not tank mix with any product containing active ingredient B.' Product B's label permits tank mixing with liquid nitrogen and does not mention A.

600 words, about 3 min
3

Ninety-Six Degrees, Six Loads, and One Missing Apron

On July 18 at 2 p.m. the temperature is 96°F with 15% relative humidity.

817 words, about 4 min
4

Five Years of the Same Pyrethroid in Potatoes

A grower farms 320 acres of Russet potatoes under center pivots. For five seasons he has sprayed the same pyrethroid whenever he sees adult Colorado potato beetles, typically five to six times a year.

607 words, about 3 min
5

Fifteen Gallons in a Ditch Above the Irrigation Pond

A pickup carrying a 150-gallon nurse tank and a pallet of 2.5-gallon jugs of a liquid concentrate slides into a barrow ditch on a county road. The tank lid cracked and roughly 15 gallons of concentrate ran into the ditch and is soaking into the shoulder.

880 words, about 4 min