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Table 4 Main effects of sub-watersheds, landscape positions, land-use types, and soil depths on selected soil chemical properties

From: Effects of sustainable land management interventions on selected soil properties in Geda watershed, central highlands of Ethiopia

 ECpHTNAv.PEx.KOC
Sub-watershed (SW)
 Untreated0.046b6.30a0.063b6.23b0.44b0.42b
 Treated0.063a6.11b0.107a11.12a0.54a0.98a
Landscape position
 Upper0.0566.160.0788.790.41b0.68
 Lower0.0536.240.0928.560.57a0.72
Land use
 Crop0.0546.230.0919.84a0.480.76a
 Grazing0.0556.170.0797.51b0.500.65b
Soil depth
 0–15 cm0.047b6.33a0.102a10.15a0.56a0.85a
 15–30 cm0.062a6.07b0.068b7.20b0.42b0.56b
P–SW****************
P–LPnsnsnsns***ns
P–LUnsnsns***ns*
P–SD***************
  1. Interaction means under each heading within columns followed by different letter(s) are significantly different from each other at P ≤ 0.05; *significant at P ≤ 0.05; **significant at P ≤ 0.01; ***significant at P ≤ 0.001; ns non-significant, EC electrical conductivity (dS m−1), pH soil reaction (pH meter), TN total nitrogen, Av.P available phosphorus (PPM), Ex.K exchangeable potassium (%), OC organic carbon (%)