Environmental Systems Research

Table 2 Selected physicochemical properties of the soils

From: Phosphorous status and adsorption characteristics of acid soils from Cheha and Dinsho districts, southern highlands of Ethiopia

Soil	Soil properties
Soil	pH	Clay %	CEC (cmol_c kg⁻¹⁾	PAls %	OC %	DPS %	M-3P (mg kg⁻¹)	Al_ox (mmol kg ⁻¹)	Fe_ox (mmol kg⁻¹)	NH₄Cl + NaHCO₃ (Pi + Po) %	NaOH (Pi + Po) %	HCl-Pi %	Res-P %
SC1	4.65	48.2	19.15	8.04	1.58	4.13	8.9	152.37	97.7	1.17	48.77	11.76	27.07
SC2	4.79	44.6	23.88	3.43	1.86	5.31	10.14	139.07	78.54	1.40	43.34	11.19	27.84
SC3	4.73	49.8	20.88	6.18	1.93	4.65	9.73	145.96	88.18	1.09	46.76	12.08	29.06
SC4	4.81	46.6	26.98	1.3	1.97	5.41	9.15	130.07	79.96	1.18	44.46	11.15	26.82
SC5	5.13	48.0	22.81	1.84	2.11	6.49	10.79	126.37	77.46	1.19	44.17	11.40	26.78
SC6	4.76	43.4	29.54	1.46	2.00	6.58	13.94	131.85	76.39	1.23	43.41	11.00	28.09
SC7	4.91	45.0	25.03	1.96	1.91	5.59	10.38	134.37	81.75	1.13	44.46	11.03	27.01
SD1	5.30	37.8	33.7	0.83	2.39	11.68	23.26	90.0	66.21	2.15	22.94	35.65	29.81
SD2	5.01	43.6	29.8	1.07	2.37	8.88	18.33	91.85	82.29	1.48	22.88	35.75	30.34
SD3	5.12	36.6	34.03	0.71	2.58	18.62	24.35	71.89	51.75	2.10	23.17	35.55	29.74
SD4	5.36	44.2	29.14	0.75	2.56	10.49	22.29	90.37	59.43	1.87	23.06	35.71	29.90
SD5	5.45	38.2	30.66	0.68	2.52	13.69	21.34	78.15	63.36	2.00	23.43	35.60	29.53

M-3P Mehlich-3 P, CEC cation exchange capacity, PAlcs percent aluminum saturation, OC organic carbon, Al_ox oxalate extractable Al, Fe_ox oxalte extractable Fe, NaOH-Pi NaOH extractable inorganic P, HCl-P HCl extractable P

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