Applied and Environmental Soil Science

Research Article

Assessment and Characterization of Agricultural Salt-Affected Soils around Abaya and Chamo Lakes, South Ethiopia Rift Valley

Table 6

Pearson’s correlation between selected chemical properties.


	pH	EC	Ex. Na	Ex. K	Ex. Ca	Ex. Mg	CEC	BS	Av. P	OC	TN	ESP	Na⁺	K⁺	Ca²⁺	Mg²⁺	Cl⁻	NO₃⁻	HCO₃⁻

pH	1.00
EC		1.00
Ex. Na			1.00
Ex. K	0.15	0.31	0.12	1.00
Ex. Ca		−0.24		−0.14	1.00
Ex. Mg		−0.50		0.22	0.23	1.00
CEC	0.31			0.34	−0.21	−0.40	1.00
BS		0.44		0.05	−0.46		0.26	1.00
Av. P	0.47			0.48	−0.37	−0.31		0.47	1.00
OC	0.15		0.44		0.06	−0.12		0.00		1.00
TN	−0.30		−0.42	−0.08	0.33	0.29		−0.07	−0.46	−0.39	1.00
ESP				0.01						0.41		1.00
Na⁺				0.22						0.48	−0.46		1.00
K⁺	0.50				−0.40	−0.20	0.50				−0.25			1.00
Ca²⁺	0.36	0.43	0.10	0.45	−0.27	0.02	0.04	0.03	0.40	0.22	−0.19	0.04	0.32	0.19	1.00
Mg²⁺				−0.26		0.32	−0.45			−0.42	0.33				−0.49	1.00
Cl⁻	0.13	−0.22	0.17	−0.38	−0.08	−0.02	−0.39	0.47	0.00	−0.32	0.29	0.08	−0.05	0.15	−0.20	−0.23	1.00
NO₃⁻	0.39			0.21	−0.22	−0.39		0.37							0.30		−0.23	1.00
HCO₃⁻	0.51		0.20	0.12	−0.10	−0.36	0.02	0.16	0.43	0.16	−0.17	0.16		0.30		−0.34	0.02	0.42	1.00

Correlation is significant at the 0.01 level. Correlation is significant at the 0.05 level.