[問題] 環狀剝皮的原理
常看到解釋:「將樹木環狀剝皮一圈,
則上面葉片製成的養分無法輸送到下面的莖和根去利用,而導致死亡。」
但我不懂的是,樹不會從被剝皮的下方再長出枝葉獲得養分嗎??
這和直接砍到剩樹椿有什麼不同?
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