Thinning problems are:
Correct answer: D. Both (a) & (b)
- A. Good and bad trees mix that their spacing in uneven, so either good trees or trees at equal spacing are maintained
- B. To search out negative characteristic tree (negative approach)
- C. None of these
- D. Both (a) & (b)
Explanation
A stand may contain desirable and undesirable trees at irregular spacing, making it difficult to retain both the best stems and uniform spacing. Searching for and removing trees with negative characteristics is another practical thinning difficulty.
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