Soil parameter

CCA soil

Sewage biosolid

pH

6.77

6.64

%N

0.10 ± 0.01

0.32 ± 0.01

%OM

4.40 ± 0.08

17.8 ± 0.26

%OC

2.50 ± 0.04

10.3 ± 0.06

P (mg/kg)

20.95 ± 0.17

166.9 ± 1.04

CEC (meq/100g)

6.80 ± 0.32

14.7 ± 0.11

Cr (mg∙kg⁻¹)

365.8 ± 6.18

35 ± 1.06

Cu (mg∙kg⁻¹)

10972 ± 14.04

7.2 ± 0.04

As (mg∙kg⁻¹)

28.22 ± 3.8

nd

%Sand

74.89 ± 0.08

51 ± 0.06

%Clay

19.50 ± 0.33

15 ± 0.11

%Silt

8.09 ± 0.24

34 ± 0.51