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Question # 2

Trenching through a root zone is best done using which technique?

Options:

A.

Open trench with backhoe

B.

Air excavation or directional boring

C.

Compaction with heavy rollers

D.

Flood irrigation

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Name Certified Arborist
Code Arborist
Vendor Career
Certification International Society of Arboriculture (ISA)

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