Landscaping C-27 Trade Test 1 Complete Answers
In a 2-ft pot, for best drainage how much gravel should be placed at the bottom of the pot?
2"
Plant least likely to cascade over a wall?
Juniperus chinensis 'pfitzerana'
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Landscaping C-27 Trade Test 1 Complete Answers
In a 2-ft pot, for best drainage how much gravel should be placed at the bottom of the pot?
2"
Plant least likely to cascade over a wall?
Juniperus chinensis 'pfitzerana'
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Which is not a nominal size of drainage pipe? A) 3" B) 4" C) 5" D) 6"
5"
Grubs are pests mainly because they:
Attract gophers & moles
Leptospermum:
Looks best with backlighting
An atmospheric vacuum breaker should be installed approximately ______________ above the highest
sprinkler head?
6" - 12"
what is the most commonly used type of control valve?
diaphragm
Which shovel do you use to dig a hole in loam?
, Square point
What is the most expensive type of 3/4" PVC pipe?
Schedule 80
When planting a tree, the most important things a landscape contractor should check when the tree
arrives at the site is?
Insects & diseases, & height of the root ball
Which of the following helps produce flowers?
Phosphorus
If Mahonia is "skeletonized" it has been stripped by?
Barberry loopers
If a Quercus (Oak Tree) is found dead or dying in a lawn area, the cause is?
Root rot
Fuchsias:
Like partial shade
Which backflow preventer is approved for use where irrigation water can be hazardous?
Reduced pressure backflow preventer
Why are moth larvae a problem?
They chew new growth at the ground
How can you best ensure long-term success when you hydro-seed grass?
Proper soil preparation
You have 337 ft of pipe. If it loses 3.03 psi every 100ft, the total pressure loss will be?
10.21 psi
If a ring of green lawn surrounds all the sprinkler heads in a lawn, what is the most likely cause?
Excess water pressure
If you are hired to maintain a landscape and you notice that several 5-gallon shrubs are dead or dying,
what should you do?
Notify the owner
Amendments are best incorporated into clay soils by?
Rear blade tiller
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