Table 5 Irrigation water composition used in the experiment. The micro elements of half strength Hoagland solution (in μmol L−1: 40 Fe-EDTA, 25 H3BO3, 2.0 MnCl2 × 4H2O, 2.0 ZnSO4 × 7H2O, 0.5 CuSO4 × 5H2O, 50 KCl, 0.075 (NH4)6Mo7O24 × 4H2O, 0.15 CoCl2 × 6H2O) in irrigation water were not shown in table
ECiw (dS m− 1) | SAR (mmolc L− 1)0.5 | Cation (mmolc L− 1) | Anion (mmolc L− 1) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Na+ | Ca2+ | K+ | Mg2+ | NH4+ | Cl− | NO3− | SO42− | H2PO4− | ||
0.9 | 0.0 | 0 | 4 | 2.25 | 1 | 0.5 | 0 | 6.5 | 1 | 0.25 |
4.7 | 5.4 | 17 | 21 | 2.25 | 1 | 0.5 | 34 | 6.5 | 1 | 0.25 |
7.0 | 7.3 | 29 | 33 | 2.25 | 1 | 0.5 | 58 | 6.5 | 1 | 0.25 |