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Table 5 Structural aggregate stability and water holding capacity of Nitisol sample profiles

From: Characteristics of Nitisol profiles as affected by land use type and slope class in some Ethiopian highlands

Horizon

Depth (cm)

Water stable aggregates (%)

Water holding capacity (%)

FC (1/3 bar)

PWP (15 bar)

AWC (mm m−1)

Profile 1: Intensive cereal upper slope (ET_ASAAP002)

 Ap

0–20

63

34

22

120

 AB

20–40

70

35

23

120

 Bt1

40–80

79

38

26

120

 Bt2

80–200

76

40

28

120

Profile 2: Intensive cereal lower slope (ET_AJJIP001)

 Ap

0–20

85

38

26

120

 AB

20–42

88

42

29

130

 Bt1

42–90

89

43

30

130

 Bt2

90–200

91

46

31

150

Profile 3: Agroforestry upper slope (ET_JIMLS-SP2)

 Ah

0–12

78

39

25

140

 BA

12–30

75

37

23

140

 Bt1

30–90

74

38

24

140

 Bt2

90–145

69

36

22

140

 Bt3

145–200

70

38

23

150

Profile 4: Agroforestry lower slope (ET_JIM-G-SLP2

 Ap

0–10

91

40

23

170

 AB

10–30

88

47

32

150

 Bt1

30–60

93

47

31

160

 Bt2

60–105

93

48

31

170

 Bt3

105–180

94

49

26

230