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Table 3 Mean values of sand, clay, silt, ISS, FC, PWP, and AWC under different land use systems and elevation gradients

From: Monitoring soil quality of different land use systems: a case study in Suha watershed, northwestern highlands of Ethiopia

Soil property

Elevation gradient

Land use system

Mean ± SE

Cultivated land

Grazing land

Forest land

Sand

Upper

2.55b ± 6.6

15.18ab ± 6.6

35.12a ± 6.6

17.62 ± 3.84

Middle

14.78a ± 6.6

14.34a ± 6.6

3.19a ± 6.6

10.76 ± 3.84

Lower

15.45a ± 6.6

7.62a ± 6.6

10.65a ± 6.6

11.24 ± 3.84

 

Mean ± SE

10.93a ± 3.84

12.38a ± 3.84

16.32a ± 3.84

13.21 ± 2.22

Clay

Upper

72.66a ± 9.4

49.94a ± 9.4

19.85a ± 9.4

47.48 ± 5.45

Middle

54.21a ± 9.4

51.53a ± 9.4

61.03a ± 9.4

55.59 ± 5.45

Lower

56.53a ± 9.4

56.52a ± 9.4

61.20a ± 9.4

58.08 ± 5.45

 

Mean ± SE

61.13a ± 5.45

52.66a ± 5.45

47.36a ± 5.45

53.72 ± 3.15

Silt

Upper

24.78b ± 5.0

34.88ab ± 5.0

45.03a ± 5.0

34.89 ± 2.89

Middle

31.02a ± 5.0

34.13a ± 5.0

35.77a ± 5.0

33.64 ± 2.89

Lower

28.03a ± 5.0

35.86a ± 5.0

27.14a ± 5.0

30.68 ± 2.89

 

Mean ± SE

27.94a ± 2.89

34.96a ± 2.89

36.31a ± 2.89

33.07 ± 1.67

Aggregate stability

Upper

1.78c ± 0.78

4.12b ± 0.78

10.29a ± 0.78

5.40a ± 0.46

Middle

2.32b ± 0.78

4.95a ± 0.78

5.42a ± 0.78

4.23a ± 0.46

Lower

2.09b ± 0.78

4.95a ± 0.78

5.92a ± 0.78

4.32a ± 0.46

 

Mean ± SE

2.05c ± 0.46

4.67b ± 0.46

7.21a ± 0.46

4.65 ± 0.26

FC (v %)

Upper

48.97a ± 4.36

50.71a ± 4.36

41.76a ± 4.36

47.14 ± 2.52

Middle

41.24a ± 4.36

46.62a ± 4.36

48.63a ± 4.36

45.49 ± 2.52

Lower

60.10a ± 4.36

47.35a ± 4.36

51.71a ± 4.36

53.05 ± 2.52

 

Mean ± SE

50.1a ± 2.52

48.23a ± 2.52

47.37a ± 2.52

48.56 ± 1.45

PWP (v %)

Upper

33.59a ± 2.95

35.2a ± 2.95

29.09a ± 2.95

32.62 ± 1.71

Middle

28.31b ± 2.95

32.57ab ± 2.95

34.79a ± 2.95

31.89 ± 1.71

Lower

42.21a ± 2.95

34.04a ± 2.95

36.00a ± 2.95

37.41 ± 1.71

 

Mean ± SE

34.71a ± 1.71

33.94a ± 1.71

33.29a ± 1.71

33.98 ± 0.99

AWC (v %)

Upper

15.39a ± 1.71

15.51a ± 1.71

12.67a ± 1.71

14.52 ± 0.99

Middle

12.92a ± 1.71

14.05a ± 1.71

13.84a ± 1.71

13.60 ± 0.99

Lower

17.89a ± 1.71

13.31a ± 1.71

15.71a ± 1.71

15.63 ± 0.99

 

Mean ± SE

15.40a ± 0.99

14.29a ± 0.99

14.07a ± 0.99

14.59 ± 0.57

  1. The mean values for the same letter are not significant