ASM 236 Exam #2 & Final Study Set
c. increased crop yield - ANSWER Relative to conventional drainage, drainage water
recycling has the major benefit of:
a. decreased soil erosion
b. decreased crop yield
c. increased crop yield
d. increased nitrogen in surface water
d. sand - ANSWER A "shallow restricting layer" which slows field drainage, can be
caused by any of the following, except:
a. bedrock
b. dense till
c. limiting layer
d. sand
c. nitrogen - decades; phosphorus - fairly recently - ANSWER The problems of nitrogen
and phosphorus movement to surface and groundwater have been understood for:
a. nitrogen - decades; phosphorus - decades
b. nitrogen - fairly recently; phosphorus - fairly recently
c. nitrogen - decades; phosphorus - fairly recently
d. nitrogen - fairly recently; phosphorus - decades
a. summer - lowered to hold back water for crops - ANSWER The timing of a drainage
control structure is important. Which of the following shows the incorrect management
for the season or timing listed?
a. summer - lowered to hold back water for crops
b. spring - lowered for maximum drainage
c. after harvest - raised reduce contamination of surface and groundwater
d. pre-harvest - lowered to dry field
d. so the soil will dry out in time for spring planting - ANSWER Why do farmers add
drainage tiles?
,a. because other farmers drain their fields
b. to reduce mosquito populations
c. to avoid soil compaction and erosion
d. so the soil will dry out in time for spring planting
d. water movement towards tile lines - ANSWER Dr. Gaveel (in the video) injected dye
into soil to show:
a. water and wind erosion
b. the effect of phosphorus fertilizer in the soil
c. water movement toward rivers
d. water movement towards tile lines
a. removes nitrates from subsurface tile drainage water - ANSWER A saturated buffer is
an edge-of-field conservation practice that:
a. removes nitrates from subsurface tile drainage water
b. removes nitrates from groundwater
c. removes nitrates from surface drainage water
d. removes nitrates from ponds
c. a clear reduction of nitrate losses - ANSWER Research on tile drainage management
shows:
a. no change in nitrate losses
b. crop yields lower than in fields without tile drainage management
c. a clear reduction of nitrate losses
d. diminished soil quality
c. drainage water management - ANSWER ________ utilizes an inexpensive structure
composed of removable stop logs, or weirs installed on a tile outlet to reduce surface
water contamination.
a. saturated buffers
b. pong overflow outlet
c. drainage water management
d. drainage water recycling
,a. because of the extent to which tile drainage has been implemented - ANSWER Why is
phosphorus a concern when concentrations in tile drains are generally less than 2% of
the amount typically applied?
a. because of the extent to which tile drainage has been implemented
b. because of the extent to which no-till practices have been implemented
c. because of a lack of knowledge
d. because of the unwillingness of farmers to reduce their use of phosphorus
b. fungicides - ANSWER Because temperature and relative humidity or wet conditions
particularly affect these pests, growers often use disease forecasting systems to ensure
__________ are applied when needed and to avoid the expense and possible
environmental impact of unnecessary applications.
a. nematicides
b. fungicides
c. mitacides
d. molluscicides
c. timing of planting and harvesting - ANSWER Cultural pest control practices for
agricultural crops include:
a. trapping or physically capturing pests
b. using natural enemies, including pathogens
c. timing of planting and harvesting
d. exclusion using fences
a. solubility - ANSWER The definition "the rate the herbicide will leach from the soil"
describes herbicide
a. solubility
b. adsorption
c. persistence
d. dependency
a. weeds - ANSWER Herbicides control:
a. weeds
b. fungus
, c. insects
d. vertebrates
d. to prevent pests from reaching damaging levels with the lowest environmental risk
possible - ANSWER The goal of Integrated Pest Management (IPM) is:
a. to provide both short-term and long-term control of insects
b. to control a wide range of pests
c. to maximize profits
d. to prevent pests from reaching damaging levels with the lowest environmental risk
possible
b. exclusion - ANSWER Control of vertebrates generally involves ___________, trapping,
and hunting.
a. cultural practices
b. exclusion
c. chemicals
d. sanitation
d. to decrease economic losses - ANSWER Why do farmers use pesticides?
a. to keep weeds out of their fields
b. to improve soil health
c. to eliminate all the bugs they can
d. to decrease economic losses
a. when the crop is at a vulnerable stage of development - ANSWER When does a pest
need to be controlled (best answer)?
a. when the crop is at a vulnerable stage of development
c. increased crop yield - ANSWER Relative to conventional drainage, drainage water
recycling has the major benefit of:
a. decreased soil erosion
b. decreased crop yield
c. increased crop yield
d. increased nitrogen in surface water
d. sand - ANSWER A "shallow restricting layer" which slows field drainage, can be
caused by any of the following, except:
a. bedrock
b. dense till
c. limiting layer
d. sand
c. nitrogen - decades; phosphorus - fairly recently - ANSWER The problems of nitrogen
and phosphorus movement to surface and groundwater have been understood for:
a. nitrogen - decades; phosphorus - decades
b. nitrogen - fairly recently; phosphorus - fairly recently
c. nitrogen - decades; phosphorus - fairly recently
d. nitrogen - fairly recently; phosphorus - decades
a. summer - lowered to hold back water for crops - ANSWER The timing of a drainage
control structure is important. Which of the following shows the incorrect management
for the season or timing listed?
a. summer - lowered to hold back water for crops
b. spring - lowered for maximum drainage
c. after harvest - raised reduce contamination of surface and groundwater
d. pre-harvest - lowered to dry field
d. so the soil will dry out in time for spring planting - ANSWER Why do farmers add
drainage tiles?
,a. because other farmers drain their fields
b. to reduce mosquito populations
c. to avoid soil compaction and erosion
d. so the soil will dry out in time for spring planting
d. water movement towards tile lines - ANSWER Dr. Gaveel (in the video) injected dye
into soil to show:
a. water and wind erosion
b. the effect of phosphorus fertilizer in the soil
c. water movement toward rivers
d. water movement towards tile lines
a. removes nitrates from subsurface tile drainage water - ANSWER A saturated buffer is
an edge-of-field conservation practice that:
a. removes nitrates from subsurface tile drainage water
b. removes nitrates from groundwater
c. removes nitrates from surface drainage water
d. removes nitrates from ponds
c. a clear reduction of nitrate losses - ANSWER Research on tile drainage management
shows:
a. no change in nitrate losses
b. crop yields lower than in fields without tile drainage management
c. a clear reduction of nitrate losses
d. diminished soil quality
c. drainage water management - ANSWER ________ utilizes an inexpensive structure
composed of removable stop logs, or weirs installed on a tile outlet to reduce surface
water contamination.
a. saturated buffers
b. pong overflow outlet
c. drainage water management
d. drainage water recycling
,a. because of the extent to which tile drainage has been implemented - ANSWER Why is
phosphorus a concern when concentrations in tile drains are generally less than 2% of
the amount typically applied?
a. because of the extent to which tile drainage has been implemented
b. because of the extent to which no-till practices have been implemented
c. because of a lack of knowledge
d. because of the unwillingness of farmers to reduce their use of phosphorus
b. fungicides - ANSWER Because temperature and relative humidity or wet conditions
particularly affect these pests, growers often use disease forecasting systems to ensure
__________ are applied when needed and to avoid the expense and possible
environmental impact of unnecessary applications.
a. nematicides
b. fungicides
c. mitacides
d. molluscicides
c. timing of planting and harvesting - ANSWER Cultural pest control practices for
agricultural crops include:
a. trapping or physically capturing pests
b. using natural enemies, including pathogens
c. timing of planting and harvesting
d. exclusion using fences
a. solubility - ANSWER The definition "the rate the herbicide will leach from the soil"
describes herbicide
a. solubility
b. adsorption
c. persistence
d. dependency
a. weeds - ANSWER Herbicides control:
a. weeds
b. fungus
, c. insects
d. vertebrates
d. to prevent pests from reaching damaging levels with the lowest environmental risk
possible - ANSWER The goal of Integrated Pest Management (IPM) is:
a. to provide both short-term and long-term control of insects
b. to control a wide range of pests
c. to maximize profits
d. to prevent pests from reaching damaging levels with the lowest environmental risk
possible
b. exclusion - ANSWER Control of vertebrates generally involves ___________, trapping,
and hunting.
a. cultural practices
b. exclusion
c. chemicals
d. sanitation
d. to decrease economic losses - ANSWER Why do farmers use pesticides?
a. to keep weeds out of their fields
b. to improve soil health
c. to eliminate all the bugs they can
d. to decrease economic losses
a. when the crop is at a vulnerable stage of development - ANSWER When does a pest
need to be controlled (best answer)?
a. when the crop is at a vulnerable stage of development
