Table 1 Soil characteristics of the study plot for the upper 20 cm (n = 38) and for the layer 20–100 cm (n = 38)

% sand

66.6

9.35

83.8

33.6

0.14

57.8

9.00

76.3

35.1

0.16

% silt

15.7

8.72

39.9

0.90

0.55

19.7

7.84

42.6

4.56

0.40

% clay

17.7

7.94

46.4

6.89

0.45

22.5

6.41

35.9

6.96

0.28

pH water

6.60

0.67

8.16

4.83

0.10

6.76

0.70

8.29

5.49

0.10

% SOM

1.46

0.53

2.94

0.80

0.36

1.14

0.29

1.80

0.40

0.26

N (g kg⁻¹)

0.78

0.22

1.29

0.44

0.28

0.44

0.14

0.74

0.17

0.31

P (mg kg⁻¹)

20.1

10.0

49.8

1.0

0.50

14.3

4.35

23.6

7.93

0.30

CEC (cmol⁺ kg⁻¹)

11.0

10.1

53.7

4.15

0.92

12.5

8.33

54.4

4.19

0.67

K (cmol⁺ kg⁻¹)

0.42

0.24

1.10

0.15

0.58

0.38

0.21

1.41

0.15

0.56

Ca (cmol⁺ kg⁻¹)

8.54

7.01

35.7

0.50

0.82

12.4

10.6

42.4

3.44

0.86

Mg (cmol⁺ kg⁻¹)

1.76

0.76

4.26

0.80

0.43

2.92

1.40

6.58

1.09

0.48

Na (cmol⁺ kg⁻¹)

0.27

0.09

0.41

0.11

0.32

0.35

0.18

0.87

0.06

0.50