Ohio Pesticides - Weed Control Exam Questions & Answers 100% Correct
Science Earth Science
Ohio Pesticides - Weed Control Exam Questions &
Answers 100% Correct
Terms in this set (35)
In general weeds are easiest to control Answer E
post emergence when they are
A. In Flower
B. Young
C. Small
D. Fully Mature
E. B and C
Which of the following are effective Answer E
cultural weed control practices
A. Rotating crops
B. Planing at the proper time to again an
adequate plan stand
C. Assuring adequate drainage for optimum
crop grown
D. Preventing weed seeds from getting on
fields by cleaning machinery between
fields
E. All of the above
When designing a herbicide program, Answer F
which of the following should be
considered
A. Soi Type
B. Tillage practices
C. Current and following crop
D. Weeds species currently and previously
observed in the field
E. Cost
F. All of the above
Ohio Pesticides - Weed Control Exam Questions & Answers 100% Correct
, Ohio Pesticides - Weed Control Exam Questions & Answers 100% Correct
Soil-applied herbicide performance is Answer F
affected by
A. Soil Texture
B. Organic matter content of soil
C. Soil pH
D. Soil mositure
E. Soil Tillage
F. All of the above
Soil applied herbicides are more likely to Answer A
injure crops in
A. Sandy soils
B. High organic soils
C. Clay Soils
D. All of the above
If atrazine is the only herbicide used on Answer C
continuous corn, what weed will most likely
become a problem
A. Pigweed
B. Common ragwee
C. Fall panicum
D. All of the above
High pH soils allow triazine herbicides such Answer D
as atrazine and simazine to
A. Be more active
B. Provide better weed control
C. Risk Crop Injury
D. All of the above
Herbicides an drift to non-target crops and Answer A
result in illegal residue, even if the crop is
not killed
A. True
B. False
Herbicides suited for early replant Answer B
application have
A. Short residual soil activity
B. Low solubility
C. High solubility
D. All of the above
Herbicides the are applied to the soil Answer C
surface after the crop is planed but before
the crop seedlings appear above the
ground are called.
A. Early preplant
B. Preplant incorporated
C. Preemergence
D. Postemergence
Ohio Pesticides - Weed Control Exam Questions & Answers 100% Correct
Science Earth Science
Ohio Pesticides - Weed Control Exam Questions &
Answers 100% Correct
Terms in this set (35)
In general weeds are easiest to control Answer E
post emergence when they are
A. In Flower
B. Young
C. Small
D. Fully Mature
E. B and C
Which of the following are effective Answer E
cultural weed control practices
A. Rotating crops
B. Planing at the proper time to again an
adequate plan stand
C. Assuring adequate drainage for optimum
crop grown
D. Preventing weed seeds from getting on
fields by cleaning machinery between
fields
E. All of the above
When designing a herbicide program, Answer F
which of the following should be
considered
A. Soi Type
B. Tillage practices
C. Current and following crop
D. Weeds species currently and previously
observed in the field
E. Cost
F. All of the above
Ohio Pesticides - Weed Control Exam Questions & Answers 100% Correct
, Ohio Pesticides - Weed Control Exam Questions & Answers 100% Correct
Soil-applied herbicide performance is Answer F
affected by
A. Soil Texture
B. Organic matter content of soil
C. Soil pH
D. Soil mositure
E. Soil Tillage
F. All of the above
Soil applied herbicides are more likely to Answer A
injure crops in
A. Sandy soils
B. High organic soils
C. Clay Soils
D. All of the above
If atrazine is the only herbicide used on Answer C
continuous corn, what weed will most likely
become a problem
A. Pigweed
B. Common ragwee
C. Fall panicum
D. All of the above
High pH soils allow triazine herbicides such Answer D
as atrazine and simazine to
A. Be more active
B. Provide better weed control
C. Risk Crop Injury
D. All of the above
Herbicides an drift to non-target crops and Answer A
result in illegal residue, even if the crop is
not killed
A. True
B. False
Herbicides suited for early replant Answer B
application have
A. Short residual soil activity
B. Low solubility
C. High solubility
D. All of the above
Herbicides the are applied to the soil Answer C
surface after the crop is planed but before
the crop seedlings appear above the
ground are called.
A. Early preplant
B. Preplant incorporated
C. Preemergence
D. Postemergence
Ohio Pesticides - Weed Control Exam Questions & Answers 100% Correct
