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Table 1 Some chemical properties of the studied soils

From: Effect of contamination sources on the rate of zinc, copper and nickel release from various soil ecosystems

Treat. soil

pH

ECe dS m−1

Soluble cations and anions (meq/l)

SAR

Cations

Anions

Na+

K+

Ca++

Mg++

Cl

HCO3 + CO3−−

SO4−−

Kombora

 UC*

8.50

2.32

6.56

0.40

11.36

4.64

9.44

10.96

2.56

2.32

 C*

8.49

2.16

5.20

0.40

11.20

4.16

9.28

10.72

0.96

1.88

Abo Rawash

 UC*

8.35

3.30

15.62

0.66

10.56

5.60

18.22

10.44

3.78

5.50

 C*

8.27

3.30

13.56

0.66

12.74

4.83

16.24

9.18

6.37

4.57

Kafr-Elsheikh

 UC*

8.65

6.39

30.74

0.54

14.50

16.03

32.22

20.97

8.62

7.87

 C*

8.52

5.04

24.39

0.18

11.25

13.50

28.53

16.47

4.32

6.93

  1. UC uncultivated soil, C cultivated soil