Na+

K+

Ca2+

Mg2+

H C O 3

Cl

S O 4 2

pH

EC

TDS

Na+

1

K+

0.234

1

Ca2+

0.095

−0.020

1

Mg2+

0.438

0.320

0.611

1

H C O 3

0.479*

0.167

−0.031

−0.045

1

Cl

0.194

0.089

0.796

0.845

−0.247

1

S O 4 2

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