Method of control mean:
Correct answer: D. All of the above
- A. It is not a method of yield regulation but a method of repeated inventories in un-even-aged forests
- B. Continuous record of history of growing stock, its volume
- C. Size class distribution, causalities and increment
- D. All of the above
Explanation
The method of control is a continuing inventory system for uneven-aged forests, recording growing-stock volume, diameter distribution, mortality and increment over time. It is therefore a monitoring method rather than a direct yield formula, making all three descriptions applicable.
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