日照长度 meaning in English
duration of day
length of day
Examples
- Seedlings were treated with different daylengths and with different numbers of photoperiods . the results showed that treatments with short day - lengths promoted its flowering and the critical daylength is 15h
不同日照长度处理：对毕氏海蓬子植株分别施以每天光照6h ? 16h ，间隔为1h的不同日照长度处理，从而确定其临界日长； 2