Soil Fertility Status as Influenced by Slope Gradient and Land Use Types in Southern Ethiopia

Table 3

Pearson’s correlation(r) matrix for various soil physicochemical parameters of Azit subwatershed.

	BD	Sand	Clay	Silt	pH	OM	TN	CEC	PBS	Ca	Mg	K	Na
BD	1.00
Sand	0.44	1.00
Clay	−0.49	−0.89	1.00
Silt	−0.08^ns	−0.06^ns	0.14^ns	1.00
pH	−0.34^ns	−0.48	0.51	0.12^ns	1.00
OM	−0.68	−0.60	0.74	−0.02^ns	0.59	1.00
TN	−0.03^ns	−0.46	0.45	0.18^ns	0.45	0.46	1.00
CEC	−0.46	−0.70	0.78	0.12^ns	0.53	0.79	0.41	1.00
PBS	−0.37^ns	−0.46	0.55	0.01^ns	0.83	0.73	0.58	0.62	1.00
Ca	−0.47	−0.57	0.64	0.09^ns	0.81	0.76	0.41	0.73	0.89	1.00
Mg	−0.36^ns	−0.67	0.69	0.23^ns	0.58	0.74	0.68	0.81	0.77	0.67	1.00
K	−0.37^ns	−0.49	0.64	−0.65	0.77	0.75	0.53	0.67	0.86	0.73	0.71	1.00
Na	−0.17^ns	0.37^ns	0.19^ns	−0.45	0.34^ns	0.08^ns	−0.22^ns	0.08^NS	0.38^ns	0.37^ns	−0.72	−0.27^ns	1.00

at 5,  = at . ns = nonsignificant, OM = organic matter, pH = soil reaction, TN = total nitrogen, CEC = cation exchangeable capacity.