Effect of Slope Aspect and Land Use Types on Selected Soil Physicochemical Properties in North Western Ethiopian Highlands

Table 5

Correlation between observed soil physicochemical properties.

	pH	EC	Sand	Silt	Clay	Av. K	OC	Total. N	Av. P	Bd
pH	1	−0.069ns	−.21ns	0.42	−0.05ns	0.12ns	−0.41	−0.41	0.15ns	0.23ns
EC		1	0.23ns	0.23ns	−0.32ns	0.19ns	0.03	0.03ns	0.52	0.05ns
Sand			1	−0.05ns	−0.84	0.14ns1	0.19ns	0.20ns	0.15ns	−0.002ns
Silt				1	−0.50	0.29ns	0.06ns	0.06ns	0.27ns	0.30ns
Clay					1	−0.28ns	−0.20ns	−0.21ns	−0.28ns	−0.16ns
Av. K						1	0.24ns	0.25ns	0.58∗∗	0.13ns
OC							1	0.997	−0.03ns	−0.38
Total. N								1	−0.022ns	−0.38
Av. P									1	0.22ns
Bd										1

Lu: land use types; Var: variables; DF: degree of freedom; BD: bulk density; EC: electrical conductivity; SOC: soil organic carbon; Av. K: available potassium; Av. P: available phosphorus; TN: total nitrogen; Ew: eastward; Nw: northward; Sw: southward; Ww: westward; sign: significant; Fl: forest land; Cl: cropland; Gl: grazing land. The numbers indicated by ± are standard errors.