Characterization and Classification of Soils of Abobo Area, Western Ethiopia

Table 10

Correlation matrix for linear relationships between soil parameters of Abobo area.

	Sand	Silt	Clay		TP	AWC	pH	OM	TN	Av.P	Ca	Mg	CEC	Fe	Mn	Zn	CU
Sand	1.00
Silt	0.31	1.00
Clay	−0.78	−0.84	1.00
	0.15	0.02	−0.10	1.00
TP	−0.28	0.14	0.07	−0.92	1.00
AWC	−0.31	0.11	0.11	−0.60	0.61	1.00
pH	0.24	0.15	−0.24	0.21	−0.21	0.07	1.00
OM	0.25	0.57	−0.52	−0.35	0.33	0.19	0.07	1.00
TN	0.34	0.53	−0.55	−0.33	0.30	0.14	0.13	0.96	1.00
Av. P	0.12	0.47	−0.38	−0.11	0.19	0.19	0.5	0.71	0.71	1.00
Ca	0.21	0.32	0.09	−0.11	−0.20	0.06	0.21	0.08	−0.02	−0.14	1.00
Mg	0.06	0.65	−0.46	−0.31	0.39	0.18	−0.04	0.79	0.75	0.46	−0.25	1.00
CEC	−0.06	−0.51	0.37	−0.09	−0.20	−0.07	−0.12	−0.002	0.01	−0.21	0.73	−0.17	1.00
Fe	0.11	0.43	−0.35	−0.36	0.38	0.06	−0.44	0.57	0.59	0.07	−0.06	0.68	−0.05	1.00
Mn	0.06	0.65	−0.46	−0.31	0.39	0.18	−0.04	0.80	0.75	0.63	−0.25	0.43	−0.17	0.68	1.00
Zn	0.02	0.51	−0.35	−0.50	0.59	0.38	0.31	0.57	0.55	0.63	−0.24	0.58	−0.44	0.32	0.58	1.00
CU	−0.36	0.33	−0.01	−0.63	0.78	0.55	−0.23	0.26	0.20	0.200	−0.35	0.40	−0.39	0.36	0.40	0.58	1.00

at , , and .
= bulk density; TP = total porosity; AWC = available water content; OM = organic matter; TN = total nitrogen; Av. P = available phosphorus; CEC = cation exchange capacity.