Deep Roots Test

Deep Roots Test
Please fill out your email address in the first box and your name, ISA cert. no. & specialty in the second box. Answer the questions below and when you are finished, press submit.

Email Address :
Name :

Question: 1. At least how many distinct roots should be at or near the surface?
2
3
4
5 or more

Question: 2. The upper surface of the uppermost root should be how close to the surface?
At the surface.
No more than 1 inch below the surface.
No more than 2 inches below the surface.
all of the above.

Question: 3. Checking for root depth is made by:
excavation.
use of a surveyor\'s chaining pin.
use of a stiff wire.
all of the above.

Question: 4. The swelling at the base of the tree can be:
where roots begin.
where damage occurred.
the graft union and cutback wound.
all of the above.

Question: 5. The effects of deep roots include:
decline of the tree.
death of the tree.
crown decline.
all of the above.

Question: 6. Under less severe conditions, the effects of deep roots will be that:
growth will be slowed.
the tree will be stressed.
symptoms of drought stress will be present.
all of the above.

Question: 7. Deep root problems are magnified on:
poorly drained soils.
sandy soils.
native soils.
all of the above.

Question: 8. Root quality on certain soils can be improved by:
amending the soil with sand.
amending the soil with clay.
amending sand with clay.
none of the above.

Question: 9. Site quality explains:
why trees can grow nicely with deep roots.
why trees grow vigorously in the nursery.
why there is no growth reduction of liners planted deeply.
all of the above.

Question: 10. Factors that effect the survival of trees with deep roots include:
tree species.
soil conditions.
root volume.
all of the above.

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