Parameter

Sewage solid waste

Brewery solid waste

Abattoir solid waste

Soil sample

(mg·kg⁻¹)

pH (H₂O)

5.9

6.0

6.9

5.4

CEC (cmolkg⁻¹)

23.9 ± 1.4

17.6 ± 0.2

13.6 ± 0.1

8.7 ± 0.1

OM (%)

EC (dSm⁻¹)

Ca

Mg

K

Na

N (%)

41.5 ± 3.8

10000 ± 12.0

8448.0 ± 46.54

1660.0 ± 64.81

1584.0 ± 4.08

1500.0 ± 3.45

1.20 ± 0.11

35.0 ± 1.1

10000 ± 8.7

3564 ± 15.4

1132 ± 10.4

108.9 ± 0.9

4500 ± 5.7

2.32 ± 0.12

13.0 ±

249 ± 2.3

50.1 ± 0.6

41.7 ± 0.3

121.7 ± 0.7

121.4 ± 1.2

13.9 ± 0.87

2.51 ± 0.1

182.0 ± 4.9

6.2 ± 0.12

1.55 ± 0.01

0.85 ± 0.01

1.31 ± 0.01

0.14 ± 0.23

P (Bray 1)

7200.0 ± 15.8

14600 ± 21.4

1076.5 ± 5.6

2.86 ± 0.03

Cu

93.0 ± 3.2

151.5 ± 4.6

60.9 ± 1.9

10.0 ± 1.1

Cr

150.0 ± 3.7

120.0 ± 2.3

43.1 ± 0.8

131.25 ± 3.0

Pb

45.0 ± 4.3

15.0 ± 1.4

0.65 ± 0.11

12.75 ± 1.2

Zn

360.0 ± 10.2

346.0 ± 6.7

248.0 ± 4.8

1.34 ± 0.0