Sampling Points

Depth of layers from the surface level (cm)

Cr

(mg/kg)

Pb

(mg/kg)

Cd

(mg/kg)

Zn

(mg/kg)

Soil of agricultural area

0 - 15

27.867

23.60

0.64

28

15 - 30

26.0416

25.76

0.82

134.167

30 - 45

24.54166

22.49

1.30

80.5

Maximum permissible limit recommended by EC (1986) [13]

50 mg/kg

300 mg/kg

3 mg/kg

−