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

Table 3

The main effect of slope aspect and land use types on SOC and primary macroessential nutrients.

Treatment (DF = 30)	SOC (%)	Av. K (cmole/kg)	Av. P (ppm)	TN (%)
Ew	1.80 ± 0.3c	722.7 ± 172b	30.87 ± 6.6a	0.14 ± 0.02c
Nw	2.52 ± 0.3b	1233.2 ± 108a	35.76 ± 7.9a	0.20 ± 0.02b
Sw	1.99 ± 0.3c	172 ± 30c	10.28 ± 4.2b	0.16 ± 0.03c
Ww	3.04 ± 03a	845.8 ± 172b	15.95 ± 6.0b	0.24 ± 0.02a
Sign. (0.05)
CL	1.53 ± 0.17c	741.7 ± 166	33.30 ± 6.4a	0.112 ± 0.01c
FL	3.28 ± 0.24a	792.8 ± 154	24.78 ± 6.2a	0.253 ± 0.02a
GL	2.23 ± 0.23b	694.3 ± 164	11.56 ± 6.8b	0.172 ± 0.02b
Sign. (0.05)		Ns

DF: degree of freedom; SOC: in percent; Av. K: in centimole/kilogram; Av. P: by ppm; TN: TN in percent, 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.