Identification should be based American National Standards Institute (ANSI) and International Standards of Arboriculture (ISA) and should include
- pruning
- tree removal
- fertilizing
- cabling and bracing
- tree preservation
- lightning protection
- insect and disease control
- root zone aeration.
Process/Skill Questions:
- When might trunk injections be used?
- What are alternatives to spraying pesticides?
- When should trees be sprayed for pests and diseases?
- Why are trees fertilized?
- What are some causes of serious injury to trees?
- How should cavities and wounds be treated?
- When and how can trees be reduced in size?
- Why is “topping” trees inadvisable?
- Why are trees pruned?