Condition

Seedling (12 days)

After transplanted (23 days)

Light

Dark

Light

Dark

Air temperature (˚C)

25

20

25

20

Relative humidity (%)

45

65

45

65

CO₂ concentration (µmol∙mol⁻¹)^a

1200

1200

1200

1200

Light source

Fluorescent lamp

-

LED lamp

-

Photoperiod (h)

16

8

14

10

PFD (µmol∙m⁻²∙s⁻¹)

150

-

200

-

Nutrient solution^b

EC = 1.8 dS∙m⁻¹

EC = 2.4 dS∙m⁻¹