Illinois Field Crop Applicators Test Questions and Answers –
Illinois – Complete Study Guide and Practice Questions for Field
Crop Applicator Certification Exam
Introduction:
This document contains complete practice questions and answers
for the Illinois Field Crop Applicators certification exam. It covers
herbicides, weed control, pest management, insect identification,
fungicides, spray application, nozzle types, economic thresholds,
and integrated pest management concepts. The material is
structured in a question-and-answer format to support exam
preparation and review of key agricultural application principles. It
also includes terminology, scouting thresholds, drift management,
disease control, and crop protection strategies commonly tested on
the applicator exam.
Exam Questions and Answers
soybeans --- correct precise answer ---Treflan, Command, canopy,
scepter, and pursuit are all herbicides prone to carryover that are
used in what crop?
Corn --- correct precise answer ---Atrazine, princep, exceed,
lumax/lexer are all herbicides prone to carryover that are used in
what crop?
True --- correct precise answer ---True or false: herbicide
combinations (pre-mix, tank-mix, etc.) are used to:
,-broaden the spectrum of weeds controled
- reduce or minimize carryover, crop injury, and resistance in
weeds.
mixing or combining herbicides --- correct precise answer ---
Applicators are liable and should understand that each herbicide
must be labeled for the use and all label requirements met when
doing what activity?
higher --- correct precise answer ---Do the listed factors mean you
should apply a higher or lower rate of herbicides for
postemergence?
1. weed size is large
2. weed density is high
3. herbicide is alone and not a mix
4. adjuvants are not used
5. the conditions are dry.
lower rate --- correct precise answer ---Do the listed factors mean
you should apply a higher or lower rate of herbicides for
postemergence?
1. weed size is small
2. weed density is low
3. herbicide mixed not alone
, 4. adjuvants are used
5. the conditions are so that weeds are actively growing
higher --- correct precise answer ---Do the listed factors lead to
higher or lower herbicide activity?
1. rainfall 2-6 hours after the application
2. temperature is hot
3. soil moisture is adequate
4. relative humidity is high
lower --- correct precise answer ---Do the listed factors lead to
higher or lower herbicide activity?
1. rainfall less than 30 minutes after the application
2. temperature is cool
3. soil moisture is poor
4. relative humidity is low
adjuvants --- correct precise answer ---What is added to a
postemergence herbicide to increase the following factors?
-spray coverage
-herbicide effectiveness
-spray potential
Illinois – Complete Study Guide and Practice Questions for Field
Crop Applicator Certification Exam
Introduction:
This document contains complete practice questions and answers
for the Illinois Field Crop Applicators certification exam. It covers
herbicides, weed control, pest management, insect identification,
fungicides, spray application, nozzle types, economic thresholds,
and integrated pest management concepts. The material is
structured in a question-and-answer format to support exam
preparation and review of key agricultural application principles. It
also includes terminology, scouting thresholds, drift management,
disease control, and crop protection strategies commonly tested on
the applicator exam.
Exam Questions and Answers
soybeans --- correct precise answer ---Treflan, Command, canopy,
scepter, and pursuit are all herbicides prone to carryover that are
used in what crop?
Corn --- correct precise answer ---Atrazine, princep, exceed,
lumax/lexer are all herbicides prone to carryover that are used in
what crop?
True --- correct precise answer ---True or false: herbicide
combinations (pre-mix, tank-mix, etc.) are used to:
,-broaden the spectrum of weeds controled
- reduce or minimize carryover, crop injury, and resistance in
weeds.
mixing or combining herbicides --- correct precise answer ---
Applicators are liable and should understand that each herbicide
must be labeled for the use and all label requirements met when
doing what activity?
higher --- correct precise answer ---Do the listed factors mean you
should apply a higher or lower rate of herbicides for
postemergence?
1. weed size is large
2. weed density is high
3. herbicide is alone and not a mix
4. adjuvants are not used
5. the conditions are dry.
lower rate --- correct precise answer ---Do the listed factors mean
you should apply a higher or lower rate of herbicides for
postemergence?
1. weed size is small
2. weed density is low
3. herbicide mixed not alone
, 4. adjuvants are used
5. the conditions are so that weeds are actively growing
higher --- correct precise answer ---Do the listed factors lead to
higher or lower herbicide activity?
1. rainfall 2-6 hours after the application
2. temperature is hot
3. soil moisture is adequate
4. relative humidity is high
lower --- correct precise answer ---Do the listed factors lead to
higher or lower herbicide activity?
1. rainfall less than 30 minutes after the application
2. temperature is cool
3. soil moisture is poor
4. relative humidity is low
adjuvants --- correct precise answer ---What is added to a
postemergence herbicide to increase the following factors?
-spray coverage
-herbicide effectiveness
-spray potential
