Iowa Commercial Pesticide Applicator Exam |
Questions with 100% Correct Answers |
Verified | Latest Update 2026
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Practice questions for this set
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Creeping perennials
Choose an answer
Name two herbicides that must
What is the greatest hazard when
1 2 be incorporated to prevent
applying most herbicides?
photodecomposition.
Which type of weed can regrow
Where are high pH soils most
3 from underground buds following 4
common in Iowa?
tillage?
Don't know?
, Terms in this set (49)
What is the greatest hazard when Injury to nontarget plants
applying most herbicides?
Name some herbicides which are Frontier, Lasso, and Dual
very effective against germinating
weeds but less effective on
established weeds.
What soil conditions reduce the Higher levels of soil organic matter or clay
activity of many herbicides and
require increased rates for
adequate weed control?
Two herbicides which are more Sencor and Lexone
active on soils with a pH above 7.5
and can injure soybeans
Where are high pH soils most Next to limestone and gravel roads
common in Iowa?
Two herbicides that are more Atrazine and chlorimuron
persistent and likely to carryover
residues.
What factors can increase Dry weather, high rates, late application, and in
chances of herbicide carryover? the case of some herbicides, high soil pH
Questions with 100% Correct Answers |
Verified | Latest Update 2026
Save
Practice questions for this set
Learn 1 /7 Study using Learn
Creeping perennials
Choose an answer
Name two herbicides that must
What is the greatest hazard when
1 2 be incorporated to prevent
applying most herbicides?
photodecomposition.
Which type of weed can regrow
Where are high pH soils most
3 from underground buds following 4
common in Iowa?
tillage?
Don't know?
, Terms in this set (49)
What is the greatest hazard when Injury to nontarget plants
applying most herbicides?
Name some herbicides which are Frontier, Lasso, and Dual
very effective against germinating
weeds but less effective on
established weeds.
What soil conditions reduce the Higher levels of soil organic matter or clay
activity of many herbicides and
require increased rates for
adequate weed control?
Two herbicides which are more Sencor and Lexone
active on soils with a pH above 7.5
and can injure soybeans
Where are high pH soils most Next to limestone and gravel roads
common in Iowa?
Two herbicides that are more Atrazine and chlorimuron
persistent and likely to carryover
residues.
What factors can increase Dry weather, high rates, late application, and in
chances of herbicide carryover? the case of some herbicides, high soil pH
