Moderate
The major types of thinning are:
Correct answer: E. All of the above
- A. Mechanical
- B. Selection
- C. Ordinary/low
- D. Crown
- E. All of the above
Explanation
The principal thinning approaches include mechanical thinning, selection thinning, low or ordinary thinning, and crown thinning. They differ mainly in whether removal is guided by spacing, tree position or crown development.
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