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衰老更新期
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衰老更新期
Encyclopedia
农学
﹝经济林生长发育规律﹞
释
renewing period
衰老更新期
从产量出现连续下降,经济林树木生长势开始逐渐减弱,直至几乎没有经济产量为止的这段时期。又称更新复壮期、变产更新期。
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