Best studied are the effects of differing photoperiods on the times of height growth cessation , bud formation and dormancy onset. 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。
With temperature rising, the growth of herbage was accelerated, trace element contents in herbage decreased. 气温降低，牧草生长停止，微量元素含量逐步回升。
