| Na+ | K+ | Ca2+ | Mg2+ |
| Cl− |
| pH | EC | TDS |
Na+ | 1 | — | — | — | — | — | — | — | — | — |
K+ | 0.234 | 1 | — | — | — | — | — | — | — | — |
Ca2+ | 0.095 | −0.020 | 1 | — | — | — | — | — | — | — |
Mg2+ | 0.438 | 0.320 | 0.611 | 1 | — | — | — | — | — | — |
| 0.479* | 0.167 | −0.031 | −0.045 | 1 | — | — | — | — | — |
Cl− | 0.194 | 0.089 | 0.796 | 0.845 | −0.247 | 1 | — | — | — | — |
| 0.627 | 0.202 | 0.447** | 0.450 | 0.488 | 0.223 | 1 | — | — | — |
pH | −0.324 | 0.013 | −0.513 | −0.175 | −0.643 | −0.255 | −0.430 | 1 | — | — |
EC | 0.410 | 0.537 | 0.146 | 0.178 | 0.597 | −0.069 | 0.568 | −0.409 | 1 | — |
TDS | 0.464 | 0.577 | 0.243 | 0.369 | 0.489 | 0.125 | 0.589 | −0.392 | 0.957 | 1 |