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Table 5 Contents of selected soil chemical properties in relation to different land uses and soil depth (mean ± SD)

From: Carbon stock under major land use/land cover types of Hades sub-watershed, eastern Ethiopia

Variable Depth (m) Land Uses
NF CA GL CR Overall
pH (H2O) 0–0.2 7.23 (± 0.16) 6.94 (± 0.04) 6.8 (± 0.49) 6.3 (± 0.04) 6.91 (± 0.41)
0.2–0.4 7.34 (± 0.16) 6.89 (± 0.1) 6.73 (± 0.64) 6.11 (± 0.05) 6.89 (± 0.55)
0.4–0.6 7.35 (± 0.08) 6.89 (± 0.09) 6.85 (± 0.52) 6.33 (± 0.09) 6.94 (± 0.46)
Overall 7.31 (± 0.15)c 6.91 (± 0.07)b 6.80 (± 0.48)b 6.23 (± 0.12)a  
OC (%) 0–0.2 6.38 (± 0.59) 3.39 (± 0.45) 2.71 (± 0.29) 1.86 (± 0.12) 4.02 (2.04)b
0.2–0.4 4.22 (± 0.39) 2.93 (± 0.12) 2.23 (± 0.20) 1.63 (± 0.19) 3.12 (1.43)a
0.4–0.6 2.89 (± 0.8) 1.94 (± 0.15) 1.68 (± 0.19) 1.15 (± 0.26) 2.52 (1.31)a
Overall 4.80 (± 1.57)c 2.77 (± 0.66)b 2.15 (± 0.42)ab 1.61 (± 0.34)a  
TN (%) 0–0.2 049 (± 0.11) 0.28 (± 0.07) 0.16 (± 0.01) 0.13 (± 0.01) 0.33 (± 0.22)b
0.2–0.4 0.36 (± 0.03) 0.21 (± 0.03) 0.17 (± 0.03) 0.1 (± 0.02) 0.23 (± 0.11)a
0.4–0.6 0.31 (± 0.04) 0.15 (± 0.04) 0.13 (± 0.01) 0.09 (± 0.02) 0.18 (± 0.09)a
Overall 0.38 (± 0.17)b 0.21 (± 0.07)a 0.15 (± 0.03)a 0.11 (± 0.02)a  
C:N 0–0.2 12.13 (± 0.54) 12.62 (± 3.130) 16.58 (± 1.03) 14.79 (± 0.75) 13.33 (± 2.38)
0.2–0.4 12.46 (± 0.39) 14.44 (± 1.97) 13.43 (± 1.75) 16.15 (± 2.33) 13.93 (± 2.21)
0.4–0.6 11.52 (± 1.11) 13.57 (± 2.92) 12.96 (± 1.35) 12.31 (± 0.24) 14.01 (± 1.95)
Overall 13.08 (± 2.04) 13.61 (± 2.37) 13.99 (± 1.73) 15.03 (± 2.28)  
  1. TN total nitrogen, NF natural forest, CF coffee agroforestry, GL grazing land, CR cropland
  2. For each parameter, different letters indicate significant differences (p < 0.5) with respect to land uses, respectively at each depth (p < 0.05)