Effect of Slope Aspect and Land Use Types on Selected Soil Physicochemical Properties in North Western Ethiopian Highlands
Table 4
Interaction effect of slope aspect and LU on SOC and primary macroessential nutrients.
Treatment (DF = 24)
Ph
SOC (%)
Av. K (cmole/kg)
Av. P (ppm)
TN (%)
EwCl
6.64 ± 0.18cba
1.11 ± 0.17d
343.3 ± 91c
25.67 ± 3.5bc
0.08 ± 0.01e
EwFl
6.67 ± 0.06cba
2.77 ± 0.11a
1307 ± 276.8a
52.53 ± 4.7a
0.22 ± 0.01b
EwvGl
6.82 ± 0.07cba
1.52 ± 0.23 cd
517.1 ± 50c
14.4 ± 3.2bc
0.12 ± 0.02ed
NwCl
7.04 ± 0.19a
1.35 ± 0.12d
1116.8 ± 258ba
59.63 ± 0.83a
0.11 ± 0.01e
NwFl
6.93 ± 0.16cba
3.05 ± 0.37a
1105.8 ± 45ba
25.87 ± 10.8bc
0.23 ± 0.03b
NwGl
6.78 ± 0.04ba
2.50 ± 0.12d
1476.8 ± 168a
21.77 ± 13.9bc
0.25 ± 0.01b
SwCl
7.02 ± 0.08a
1.25 ± 0.14a
186.9 ± 52c
12.27 ± 9.0bc
0.1 ± 0.01e
SwFl
6.76 ± 0.05cba
3.08 ± 0.69a
215.5 ± 70c
15 ± 9.6bc
0.24 ± 0.05b
SwGl
7.02 ± 0.03a
1.63 ± 0.14cd
107.6 ± 15c
3.57 ± 1.2c
0.13 ± 0.03ced
WwCl
6.92 ± 0.03ba
2.40 ± 0.29cb
1319.7 ± 237a
35.63 ± 10.8ba
0.19 ± 0.01cbd
WwFl
6.23 ± 0.06bc
4.22 ± 0.18a
542c ± 251bc
5.7 ± 3.0c
0.33 ± 0.01b
WwGl
6.13 ± 0.34c
2.59 ± 0.22b
675.8 ± 261bc
6.51 ± 3.0c
0.19 ± 0.03cb
Sign. (0.05%)
DF: degree of freedom; SOC: in percent; Av. K: in centimole/kilogram; Av. P: by ppm; 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.