生长停滞期 meaning in English

lag phase of growth
stationary phase of growth

3 . the growth dynamic of artificial vegetation in shapotou region in shapotou area , the growth curve of shrubs was like the form of " s " . the stagnant period of growth was in april , the exponential period of growth was from may to july , the stable period of growth was from august to october
3 、植被生长动态:研究区内灌木植物生长曲线呈s型，生长停滞期在4月左右，生长指数期在5月到7月，生长静止期在8月到10月， 10月前后停止生长。