Research Article

Effects of Soil and Water Conservation Structures on Selected Soil Physicochemical Properties: The Case of Ejersa Lafo District, Central Highlands of Ethiopia

Table 1

Soil physical properties (sand, silt clay, and BD fractions) in relation to the type of conservation practices and slope gradient (mean ± SE) of top soil (0–20 cm) depth.

Land use typeVariables
SandSiltClaySMCBD

Conserved land29.65 ± 3.4418.54 ± 0.8851.79 ± 3.3610.64 ± 1.731.23
Nonconserved land31.76 ± 4.219.88 ± 1.7447.6 ± 1.365.529 ± 1.4351.37
Overall mean30.0 ± 3.6618.2 ± 1.6751.8 ± 3.268.096 ± 3.141.3
LSD (0.05)0.6410.6420.1750.22
SEM1.490.6851.3261.284

Slope gradient
Upper (15–30%)34.27 ± 1.88918.2 ± 1.62147.525 ± 1.515.25 ± 0.884
Middle (8–15%)31.125 ± 2.0919.5 ± 2.41549.875 ± 2.265.679 ± 0.862
Lower (3–8%)26.725 ± 1.5619.95 ± 1.86551.725 ± 4.386.047 ± 0.732
LSD (0.05)0.0010.4670.1890.371
SEM1.0530.5670.9320.871

Note: SMC = soil moisture content; BD = bulky density.