Spatial Variability of Soil Organic Carbon Stock in Gurje Subwatershed, Hadiya Zone, Southern Ethiopia
Table 2
Means differences of the selected soil properties between the two depths.
Variables
Depth (cm)
Mean ± SD
SD
CV%
value
Sand
0–20
31.10a
3.95
12.70
0.2531
20–40
30.00ab
4.57
15.23
Silt
0–20
28.75ab
6.11
21.25
0.8874
20–40
28.95a
6.49
22.42
Clay
0–20
40.15ab
6.32
15.74
0.5606
20–40
41.05a
7.41
18.05
BD
0–20
1.117ab
0.134
11.996
0.8982
20–40
1.121a
0.109
9.724
pH
0–20
5.67b
0.42
7.41
0.0104
20–40
5.90a
0.36
6.10
TN
0–20
0.163a
0.063
38.65
0.0079
20–40
0.128b
0.0537
42.19
C/N
0–20
13.161ab
1.419
10.78
0.7722
20–40
13.251a
1.3669
10.32
SOC
0–20
21.51a
8.793
40.88
0.0197
20–40
17.09b
7.77
45.47
SOCS
0–20
34.06a
15.742
46.23
0.0140
20–40
25.85b
13.313
51.50
CV = coefficient of variation; SD = standard deviation. Means of a given variable with single different letters within a column are significantly different at .