Characteristic

Soil type

I

II

III

IV

V

VI

VII

Sand (%)

31

64

47

35

33

25

19

Silt (%)

18

7

21

20

17

14

10

Clay (%)

42

25

29

49

32

59

33

pH

4.9

4.5

4.9

4.9

5.3

7.6

6.2

EC (mhos × 106)

37

43

138

16

41

99

55

CEC (meq/100g)

11.5

4.7

8.2

8.5

4.4

6.3

34.2

OM (%)

1.55

1.03

2.41

0.86

1.89

3.96

0.52

Base saturation (%)

18

13

49

28

32

100

100

Ca (meq/100g)

1.3

0.5

3.5

1.8

0.8

8.0

15.6

Mg (meq/100g)

7

0.2

0.7

0.9

0.7

0.4

31.1