Soil property

Cr

Cd

Pb

As

Hg

pH

−0.432

−0.395

−0.394

0.244

−0.895^**

OM

0.327

0.118

0.320

−0.546

0.860^*

Olsen-P

0.898^**

0.724

−0.271

−0.076

0.573

NH₄ Ac-K

0.415

0.157

−0.176

−0.375

0.596

${\text{NO}}_3^{-}$ -N

0.718

0.015

−0.314

0.367

0.144

${\text{NH}}_4^{+}$ -N

0.522

0.221

−0.376

−0.040

0.481

EC

0.834^*

0.689

−0.292

−0.117

0.565

CEC

0.659

0.556

0.079

−0.178

0.823^*