Scenario

R2

R3

Horizon (FAO, 1990)

Ap

Ah

AB1

AB2

Ap1

Ap2

Bk

C

Depth (cm)

0 - 20

20 - 45

45 - 65

65 - 100

0 - 45

45 - 75

75 - 145

145 - 160

Basic properties

Sand (%)

67

72

75

74

23

25

17

14

Silt (%)

19

16

13

16

43

42

48

50

Clay (%)

14

12

12

10

34

33

35

36

Texture (e)

Sandy loam

Sandy loam

Sandy loam

Sandy loam

Clay loam

Clay loam

Silty clay loam

Silty clay loam

Organic carbon (%)

4.0

2.4

0.8

0.5 (a)

1.0

1.0

0.35

0.29

Bulk density (g/cm3)

1.15 (b)

1.29 (b)

1.36 (b)

1.41 (b)

1.46 (d)

1.49 (d)

1.52 (d)

1.54 (d)

pH

4.5

4.9

5.4

5.3

7.9

7.9

8.3

8.6

Structure development (f)

Moderate

Weak

Weak

Weak

Moderate

Moderate

Weak

Weak

Structure size (f)

Medium

Medium

Medium

Medium

fine

Fine

coarse

Very coarse

Structure shape (f)

Subang. b. (g)

Subang. b. (g)

Subang. b. (g)

Subang. b. (g)

Granular

Granular

Subang. b. (g)

Angular blocky