超过一定量反而降低土壤蓄水保墒能力，对树木生长不利。
Exceed certain quantity to turn over and reduce soil retain water to preserve soil moisture ability, for trees growth disadvantage.
超过一定量反而降低土壤蓄水保墒能力，对树木生长不利。
Exceed certain quantity to turn over and reduce soil retain water to preserve soil moisture ability, for trees growth disadvantage.
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