TURF 435 EXAM 1 QUESTIONS & ANSWERS
Which of the following elements is NOT a base cation?
Cobalt
Sodium
Calcium
Potassium
Magnesium - Answer -Cobalt
Which of the following is considered a plant essential micronutrient?
Iodine
Antimony
Phosphorus
Arsenic
None of these choices - Answer -None of these Choices
Which of the following is the BEST piece of advice to follow when considering a foliar
fertilizer application to creeping bent grass putting in mid-August?
Add several biostimulants to the tank
Try to make the foliar fertilizer application around 1 pm
Apply less than 0.4 lbs nutrients per 1000ft^2
Apply less than 0.2 lbs nutrients per 1000ft^2
Spontaneously formulate a 'Witch's brew with as many old, funky fungicides you can
find - Answer -Apply less than 0.2 lbs nutrients per 1000ft^2
When managing creeping bent grass putting greens, which of the following soil
chemicals parameter would you want to exceed a lever of 10?
Soil pH
ECe (in mS/cm)
ESP (%)
CEC (in meq/100 g soil)
none of the above - Answer -CEC (in meq/100 g soil)
A good rule of thumb to follow when applying the soil lab lime recommendation to raise
the soil pH of the upper 6" of the profile in a mature, and acidic turf grass lawn is to:
broadcast lime over the top like fertilizer
invest in an acid injection system
mechanically cultivate the lawn prior to applying the lime
wait for your soil pH to raise itself
none of the above - Answer -mechanically cultivate the lawn prior to applying the lime
Which of the following clay minerals typically posses the greatest CEC?
, humus
kaolinite
quartz
smectite
calcite - Answer -humus
When instructing new greens, and considering an organic amendment for blending into
the sand root zones (offsite, prior to delivery), the two most important factors in organic
amendment selection are:
odor and C:N ratio
quality control and C:N ratio
odor and CEC
all of the above - Answer -quality control and C:N ratio
Which of the following nutrient acquisition mechanisms is inhibited at cooler soil temps?
diffusion
biological transport
mass flow
root inception
convection - Answer -diffusion
Which of the following amendments will reduce the pH of soil (at the surface) following
application, regardless of ambient and/or oxygen availability?
dolomitic limestone
calcitic lime
sulfuric acid
none of the above
elemental sulfur - Answer -sulfuric acid
Which of the following nutrient acquisition mechanisms requires a healthy and growing
root system?
diffusion
convection
mass flow
root interception
biological transport - Answer -biological transport
A showcase St. Augustinegrass Polo Field you manage is severely thinning, so you
submit a soil sample for 'rapid chemical analysis'. They report back two items that day:
the 1:1 soil pH is 6.0, and
Which of the following elements is NOT a base cation?
Cobalt
Sodium
Calcium
Potassium
Magnesium - Answer -Cobalt
Which of the following is considered a plant essential micronutrient?
Iodine
Antimony
Phosphorus
Arsenic
None of these choices - Answer -None of these Choices
Which of the following is the BEST piece of advice to follow when considering a foliar
fertilizer application to creeping bent grass putting in mid-August?
Add several biostimulants to the tank
Try to make the foliar fertilizer application around 1 pm
Apply less than 0.4 lbs nutrients per 1000ft^2
Apply less than 0.2 lbs nutrients per 1000ft^2
Spontaneously formulate a 'Witch's brew with as many old, funky fungicides you can
find - Answer -Apply less than 0.2 lbs nutrients per 1000ft^2
When managing creeping bent grass putting greens, which of the following soil
chemicals parameter would you want to exceed a lever of 10?
Soil pH
ECe (in mS/cm)
ESP (%)
CEC (in meq/100 g soil)
none of the above - Answer -CEC (in meq/100 g soil)
A good rule of thumb to follow when applying the soil lab lime recommendation to raise
the soil pH of the upper 6" of the profile in a mature, and acidic turf grass lawn is to:
broadcast lime over the top like fertilizer
invest in an acid injection system
mechanically cultivate the lawn prior to applying the lime
wait for your soil pH to raise itself
none of the above - Answer -mechanically cultivate the lawn prior to applying the lime
Which of the following clay minerals typically posses the greatest CEC?
, humus
kaolinite
quartz
smectite
calcite - Answer -humus
When instructing new greens, and considering an organic amendment for blending into
the sand root zones (offsite, prior to delivery), the two most important factors in organic
amendment selection are:
odor and C:N ratio
quality control and C:N ratio
odor and CEC
all of the above - Answer -quality control and C:N ratio
Which of the following nutrient acquisition mechanisms is inhibited at cooler soil temps?
diffusion
biological transport
mass flow
root inception
convection - Answer -diffusion
Which of the following amendments will reduce the pH of soil (at the surface) following
application, regardless of ambient and/or oxygen availability?
dolomitic limestone
calcitic lime
sulfuric acid
none of the above
elemental sulfur - Answer -sulfuric acid
Which of the following nutrient acquisition mechanisms requires a healthy and growing
root system?
diffusion
convection
mass flow
root interception
biological transport - Answer -biological transport
A showcase St. Augustinegrass Polo Field you manage is severely thinning, so you
submit a soil sample for 'rapid chemical analysis'. They report back two items that day:
the 1:1 soil pH is 6.0, and
