Status of Soil Acidity under Different Land Use Types and Soil Depths: The Case of Hojje Watershed of Gomibora District, Hadiya Zone, Southern Ethiopia

Table 1

Main effects of land use and soil depth on soil pH (H₂O), pH(KCl), Ex. acidity, acid saturation percentage, SOM, TN, and aval P of the soils in the Hojje watershed (N = 24).

	pH (H2O), 1 : 2.5	pH (KCl), 1 : 2.5	ΔpH	EA, cmolc kg^−1	AS %	SOM, mg/kg	TN, mg/kg	Av. P, mg kg^−1
Land use types
HG	6.67^a	5.88^a	0.80	0.64^c	2.61^c	7.07^a	0.27^a	12.73^a
GL	5.63^b	4.78^b	0.85	2.65^b	24.86^b	3.86^b	0.17^b	3.48^b
CL	5.15^d	3.80^d	1.35	4.60^a	47.85^a	2.34^c	0.12^c	2.83^c
EP	5.32^c	4.16^c	1.16	4.59^a	46.96^a	2.39^c	0.13^c	2.98^c
LSD (0.05)	0.09	0.14		0.25	1.61	0.82	0.012	0.49
Soil depth
0–20 cm	5.52^b	4.45^b	1.07	3.33^a	34.05^a	4.49^a	0.21^a	6.42^a
20–40 cm	5.86^a	4.86^a	1.00	2.91^b	27.09^b	3.34^b	0.13^b	4.59^b
LSD	0.07	0.10		0.18	1.14	0.58	0.01	0.35
CV	1.31	2.39		6.57	4.26	5.21	5.61	7.22

Main effect means within a column followed by the same letter are not significantly different from each other at ; CL, cultivated land; HG, home garden; GL, grazing land; EP, Eucalyptus plantation; KCl, potassium chloride; AS, acid saturation percentage; LSD, least significance difference; CV, coefficient of variation; EA, exchangeable acidity; SOM, soil organic matter; TN, total nitrogen; Av. P, available phosphorus; N, number of samples.