Row

Sampling depth (m)

ESP of saturated soil extract before leaching

ESP of saturated soil extract after different frequencies of leaching water

ESPf (25)

ESPf (50)

ESPf (75)

ESPf (100)

ESPf (average)

1

0 - 25

35.64

5.00

4.75

4.93

3.94

3.68

3.21

2.53

1.26

4.04

3.29

2

25 - 50

30.45

19.49

16.81

7.42

15.24

6.46

9.64

3.29

2.91

9.17

11.15

3

50 - 75

29.18

20.40

19.90

12.88

17.19

10.81

15.39

3.99

3.19

12.02

13.92

4

75 - 100

26.43

22.21

20.50

21.55

18.84

18.81

17.18

16.21

14.29

19.52

17.70

5

100 - 125

24.18

25.21

21.98

24.26

20.96

18.11

17.73

17.17

14.91

22.10

18.90

6

125 - 150

20.42

27.91

22.72

27.46

21.32

21.74

17.81

17.27

16.57

24.91

19.61

7

Average

27.72

20.40

17.78

16.42

16.25

27.01

13.49

10.08

8.86

15.29

14.09