Land Use and Land Cover Dynamics and Properties of Soils under Different Land Uses in the Tejibara Watershed, Ethiopia

Table 9

Interaction effects of land use and soil depth on selected soil chemical properties.

Land use types	pH (H2O)		EC (ms/cm)		OM (%)		Total N (%)		Av. P(mg/kg)		CEC(cmolc/kg)		Ex. K(cmolc/kg)
	Soil depth (cm)
	0–20	20–40	0–20	20–40	0–20	20–40	0–20	20–40	0–20	20–40	0–20	20–40	0–20	20–40
Forest land	6.5	6.5	0.14^a	0.07^b	12.9^a	9.1^b	0.35a	0.29^b	10.9	9.3	40.9	39.8	2.03	2.3
Eucalyptus plantation	6.0	5.9	0.07^b	0.05^c	5.9^c	2.9^d	0.22c	0.14^d	7.9	3.9	40.7	38.8	2.19	1.3
Grazing land	6.3	6.5	0.05^c	0.04^cd	2.7^d	2.4^de	0.11de	0.11^de	2.8	7.0	36.8	37.7	1.31	1.2
Cultivated land	6.4	6.6	0.02^de	0.02^e	1.0^ef	0.6^f	0.05f	0.07^ef	8.5	6.7	37.4	38.8	1.23	1.7
LSD (0.05)	NS		0.02		1.44		0.053		NS		NS		NS
CV (%)	2.7		19.2		17.5		18.2		38.9		5.4		33.6

Interaction means within a specific soil parameter followed by the same letter are not significantly different from each other at . CV = coefficient of variation; LSD = least significant difference.