S/N

PARAMETER

Soil from e-waste dumpsite

Soil without e-waste

1.

Colour

Black

Brown

2.

Texture

Sandy-loamy

Sandy

3.

pH

7.90

8.70

4.

Moisture content (%)

3.86

2.24

5.

Organic matter (%)

17.60

5.00

6.

Organic carbon (%)

10.17

2.89

7.

Organic nitrogen (%)

0.35

0.21

8.

Organic phosphorus (mg/kg)

146.65

160.00

9.

Lead (mg/kg)

64.90

3.06

10.

Cadmium (mg/kg)

0.32

0.02

11.

Zinc (mg/kg)

35.50

3.34

12.

Cobalt (mg/kg)

0.83

0.05

13.

Chromium (mg/kg)

0.54

0.26

14.

Manganese (mg/kg)

18.60

2.99

15.

Nickel (mg/kg)

2.82

0.08

17.

Sodium (mg/kg)

24.40

31.40

18.

Potassium (mg/kg)

33.30

32.90

19.

Calcium (mg/kg)

182.00

245.00

20.

Magnesium (mg/kg)

34.00

29.70