Table 1. Chemical composition of the hydroponic solution, prepared in distilled water; final pH was adapted as 6.8.

Components	Concentration (g L−1)
NaNO3	1.500
KH2PO4	0.040
MgSO4.7H2O	0.075
CaCl2.2H2O	0.036
H3BO3	0.003
Na2CO3	0.020
C6H5FeO7.5H2O	0.006
C6H8O7	0.006
Vitamine mix	0.020
Agar§	15.000

Note:

^§Agar was added to make solid culture for preservation, propagation and preparation of pre-culture of C. vulgaris.