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Table 3 Contents of some selected soil physical properties in relation to different land uses and soil depths (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
Bulk density (g/cm³) 0–20 0.92 (± 0.2) 1.39 (± 0.12) 1.13 (± 0.18) 1.42 (± 0.13) 1.15 (± 0.31)a
20–40 1.09 (± 0.11) 1.36 (± 0.17) 1.24 (± 0.09) 1.49 (± 0.13) 1.28 (± 0.21)ab
40–60 1.40 (± 0.21) 1.53 (± 0.29) 1.27 (± 0.1) 1.61 (± 0.12) 1.48 (± 0.26)b
Overall 1.2 (± 0.37)a 1.43 (± 0.19)ab 1.21 (± 0.13)ab 1.50 (± 0.13)b  
Sand (%) 0–20 67.83 (± 7.7) 58.67 (± 3.21) 49.67 ± 2.08 55.67 ± 12.66 59.93 (± 9.99)
20–40 62.83 (± 2.32) 55.33 (± 7.1) 48 ± 2.1 62.33 ± 13.01 58.31 (± 8.64)
40–60 59 (± 3.46) 58.33 (± 11.02) 54.33 ± 5.03 49 ± 3.61 56.13 (± 8.10)
Overall 63.39 (± 7.48)b 57.44 (± 6.93)ab 50.73 (± 4.02)a 55.67 (± 10.92)ab  
Clay (%) 0–20 10.17 (± 2.75) 17 ± 6.1 29 ± 6 29.33 ± 8.1 19.13 (± 10.17)
20–40 17.5 (± 8.88) 21 ± 7.94 35 ± 5.29 29.33 ± 7.37 24.07 (± 10.26)
40–60 20.17 (± 2.02) 23 ± 12.49 34 ± 4.58 37 ± 5.29 26.87 (± 10.61)
Overall 15.94 (± 8.53)a 20.33 (± 8.43)a 32.67 (± 5.39)b 31.89 (± 7.18)b  
Silt (%) 0–20 22 (± 5.29) 24.33 ± 5.03 21.33 ± 4.04 15 ± 5 20.93 (± 5.93)
20–40 19.67 (± 7.91) 23.67 ± 1.53 16.8 ± 6.84 8.33 ± 7.1 17.63 (± 8.26)
40–60 40.67 ± 2.89 18.67 ± 2.31 11.67 ± 1.53 14 ± 1.73 17.00 (± 3.98)
Overall 20.67 (± 5.96)b 22.22 (± 3.93)b 16.60 (± 5.82)ab 12.44 (± 5.41)a  
  1. TN total nitrogen, NF natural forest, CF coffee agroforestry, GL grazing land, CR cropland
  2. For each parameter, different letters indicate significant differences between treatment means within one depth (p < 0.05)