Table 2 Physical and chemical properties of soil.

Physical properties

Particle size (%)

Total sand

68.25

Silt

11.50

Clay

20.25

Texture class

Sandy loam soil

Chemical properties

pH

6.91

EC mm hos/cm

0.82

Soluble cations

meq/L

Ca⁺⁺

12.76

Mg⁺⁺

7.23

Na⁺

9.74

K⁺

3.78

Soluble anions

meq/L

CO₃^-

0.00

HCO₃

2.11

Cl⁻

3.74

SO₄^{− −}

0.43

Organic carbon %

2.24

Organic matter %

3.80

Heavy metal ion con. µg/g

Pb²⁺

0.004