Table 2 Content of heavy metals in the tested samples (mg·kg−1 dry weight).

From: Sewage sludge fertilization affects microbial community structure and its resistome in agricultural soils

Metal

SL

S1

S1SL

S2

S2SL

Zn

629.87 ± 10.95

10.36 ± 3.73

19.19 ± 0.18

8.87 ± 4.17

9.04 ± 0.81

Cu

121.54 ± 7.02

2.74 ± 0.40

4.57 ± 0.45

3.87 ± 0.35

5.17 ± 1.73

Cr

30.49 ± 0.83

6.58 ± 0.29

6.83 ± 0.16

7.07 ± 0.37

7.24 ± 0.59

Pb

14.13 ± 0.87

8.61 ± 1.16

7.31 ± 1.20

7.51 ± 3.44

6.10 ± 1.50

Ni

13.56 ± 0.56

3.44 ± 0.17

3.36 ± 0.16

4.71 ± 0.34

4.57 ± 0.13

Fe

6.31 ± 0.08

2.62 ± 0.07

2.55 ± 0.13

3.46 ± 0.15

3.57 ± 0.14

Mo

4.14 ± 0.06

0.21 ± 0.04

0.25 ± 0.02

ND

0.01 ± 0.01

Cd

1.32 ± 0.05

0.19 ± 0.06

0.07 ± 0.01

0.20 ± 0.03

0.13 ± 0.01

  1. Standard deviation is shown for each media (n = 3). ND: not detected (below the limit of detection).
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