Effects of Soil and Water Conservation Measures on Soil Quality Indicators: The Case of Geshy Subcatchment, Gojeb River Catchment, Ethiopia
Table 4
Mean values of volumetric soil water content (VSWC) and total porosity (TP) in 0 to 20 cm depth in the Geshy subcatchment.
Slope (%)
Terrace positions
With SWC
Without SWC
VSWC (%)
TP (%)
VSWC (%)
TP (%)
3–8
Lower
44.73
48.93
30.40
45.93
Middle
34.30
53.70
26.00
50.90
Upper
17.63
54.73
16.50
49.57
Average
32.22a
52.46a
24.30a
48.80a
SD
13.74
5.66
7.76
3.41
8–15
Lower
33.13
46.00
23.80
50.70
Middle
29.47
49.43
26.03
49.33
Upper
26.23
49.23
15.10
46.57
Average
29.61a
48.22a
21.64a
48.87a
SD
6.93
6.12
5.57
3.94
15–30
Lower
40.00
46.33
30.70
50.87
Middle
32.77
50.20
21.63
51.87
Upper
25.53
47.66
19.10
47.50
Average
32.76a
48.07a
23.81a
50.08a
SD
7.58
5.69
5.82
2.70
Total
Lower
39.29a
47.09a
28.30a
39.17a
Middle
32.18b
51.11a
24.55ab
40.70a
Upper
23.13c
50.54a
16.90c
37.88a
Average
31.53a
49.58a
23.25b
39.24a
SD
9.61
5.97
6.31
3.31
Note: overall means followed by the same letter (s) across columns and rows are not significantly different () with respect to treatments, slope classes, and position within the terraces. SD, standard deviation.