Phosphorus Sorption Characteristics of Luvisols and Nitisols in North Ethiopian Soils

Table 2

P sorption indices of soils derived from the Langmuir and Freundlich equation.

P sorption indices of the Langmuir equation							P sorption indices of the Freundlich equation
Soil type	Depth	Xm	k	MBC	EPR(0.2)	R^2	b	Kf	EPR(0.2)	R^2
	cm	mg kg^−1	Lmg^−1	Lkg^−1	mg kg^−1		Lkg^−1	mg kg^−1	mg kg^−1
Luvisols	0–30	588.2	0.86	505.85	86.3	0.93	0.38	105.8	39.88	0.9
	30–60	625	0.8	500	86.2	0.92	0.39	108.19	41.88	0.9
Nitisols	0–30	714.28	0.71	505	88.48	0.9	0.38	115.85	44.49	0.87
	30–60	769.23	0.69	530.77	93.28	0.9	0.37	114.87	42.02	0.85
		674.18	0.77	510.41	88.57	0.91	0.38	111.18	42.07	0.88