Time of day
Middle of light period (12:00) Middle of light period (12:00) Middle of light period (12:00) Hydration All plants well watered 1 hr pre- harvest All plants well watered 1 hr pre- harvest All plants well watered 1 hr pre- harvest Light 16 hr light, 400 µmol m-2 sec-1 16 hr light, 400 µmol m-2 sec-1 10 hr light (short day) from week 2, 400 µmol m-2 sec-1 Humidity 70% 70% 70% Temperature 22 °C light, 18 °C dark 22 °C light, 18 °C dark 21 °C