Phosphorus Sorption Characteristics of Luvisols and Nitisols in North Ethiopian Soils

Table 3

Correlation coefficient (r) for the linear relationships between the P adsorption parameters and selected soil physicochemical properties.

	Sand	Clay	pH	Av. P	OC	Ex. Al	CEC	Xm	Kf	k	b	EPRL	EPRF
Sand	1
Clay	−0.95	1
pH	0.86	−0.88	1
Av. P	0.82	−0.78	0.79	1
OC	0.64	−0.60	0.54	0.67	1
Ex. Al	−0.95	0.98	−0.91	−0.72	−0.54	1
CEC	−0.29	0.05	−0.041	−0.41	−0.51	0.03	1
Xm	−0.84	0.79	−0.64	−0.86	−0.66	0.72	0.47	1
Kf	−0.85	0.92	−0.94	−0.87	−0.58	0.90	0.02	0.72	1
k	63	−0.52	0.35	0.61	0.88	−0.44	−0.61	−0.71	−0.40	1
b	0.67	−0.79	0.89	0.67	0.46	−0.79	0.24	−0.39	−0.91	0.21	1
EPRL	−0.74	0.65	−0.82	−0.86	−0.44	0.69	0.41	0.68	0.79	−0.29	−0.60	1
EPRF	−0.87	0.89	−0.82	−0.95	−0.70	0.83	0.28	0.87	0.93	−0.59	−0.76	0.77	1