... 生长缺陷 growth defect 生长疏伐 increment thinning 生长素 auxin; growth hormone ...
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While standard degree of closing of the plantation reached 0.85, current annual increment of DBH started to decline, and the intensity of thinning should not exceed 30%.
林分标准郁闭度达0.85以上时，胸径连年生长量已下降，株数间伐强度以不超过30%为宜。
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