Table 3. Ion concentration and electrical conductivity (EC) of the nutrient solutions used in the experiments conducted with sweet
basil (O. basilicum L. cv. Genovese) grown hydroponically. The composition of tap water is also reported. The nutrient solution also
contained the following concentrations of trace elements: 40.6 mmol m-3
Fe; 35.0 mmol m-3
B; 3.6 mmol m-3
, Cu; 4.6 mmol m-3
, Zn;
10.9 mmol m-3
Mn; 1.0 mmol m-3
Mo.