The major types of methods of thinnings is:
Correct answer: B. All of the above
- A. Low thinning or ordinary thinning
- B. All of the above
- C. Selection thinning
- D. Mechanical thinning
- E. Crown thinnings or high thinning
Explanation
The recognised thinning methods include low or ordinary thinning, crown or high thinning, selection thinning, and mechanical thinning. These methods differ in which trees are selected and how selection is made.
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Diseased trees (k) including those which are infected with parasites to such an extent that their growth is seriously affected or that they are a danger to their neighbours:
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