Artificial pruning involves:
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Answer: C. Both (a) & (b)
Explanation
Artificial pruning produces clear timber on shorter rotations, but requires thinning to sustain diameter growth. Removing lower branches manually prevents knots in developing wood, increasing final lumber value. Combining pruning with thinning ensures remaining trees receive adequate sunlight and soil nutrients. Pruning involves removing lower tree branches to encourage the growth of knot-free clear wood. Rotation age refers to the total number of years required to grow a forest crop to a harvestable size. Thinning reduces tree density within a stand to accelerate diameter growth in remaining crop trees.
Commercial forestry plantations utilize artificial pruning to maximize the yield of high-grade lumber. Silviculturists calculate financial returns carefully to ensure pruning labor costs are offset by timber value. Proper forest management schedules both treatments to optimize overall wood quality and volume. Focusing only on clear timber production ignores the mandatory requirement for simultaneous thinning. Describing the growth period without mentioning shorter timber rotations misses the primary goal of pruning. None of these is incorrect is false because both stated conditions accurately describe artificial pruning.
- Subject
- Agriculture
- Category
- Forestry
- Topic
- —
- Difficulty
- medium
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