只有当水已经被过滤的时候几乎对纯净做生长停止。
Only when the water has been leached almost to purity does growth cease.
研究最彻底的是不同的光周期对高生长停止，萌芽和进入休眠的时间的效应。
Best studied are the effects of differing photoperiods on The Times of height growth cessation, bud formation and dormancy onset.
一些生物学家假设，如果一株植物处在另一株植物的荫蔽下，它就会停止生长，当它感知到红光与远红光的不寻常比例时，反应就会触发。
Some biologists hypothesize that a plant will stop growing if it's in the shade of another plant, a reaction that's triggered when it senses an unusual ratio of red light to far-red light.
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