Effects of Lime, Vermicompost, and Chemical P Fertilizer on Selected Properties of Acid Soils of Ebantu District, Western Highlands of Ethiopia

Table 4

Pearson correlation coefficients r among selected soil chemical properties.

	pH2O	Ex. Ac	Ex. Al	AS	OM	TN	BP	Ca	Mg	K	Na
Ex Ac	−0.87
Ex Al	−0.87	0.93
AS	−0.88	0.92	0.87
OM	0.55	−0.26	−0.39	−0.50
TN	0.75	−0.51	−0.63	−0.67	0.89
BP	0.69	−0.56	−0.53	−0.66	0.57	0.65
Ca	0.72	−0.57	−0.59	−0.81	0.85	0.83	0.65
Mg	0.78	0.78	−0.71	−0.80	0.81	0.85	0.59	0.91
K	0.84	−0.76	−0.81	−0.88	0.73	0.82	0.73	0.84	0.85
Na	0.79	−0.75	−0.75	−0.89	0.62	0.74	0.73	0.81	0.76	0.91
Fe	−0.79	0.86	0.83	0.89	−0.31	−0.54	−0.58	−0.64	−0.65	−0.65	−0.85

^,Significant at 0.05 and 0.01 probability levels, respectively; Ex. Ac, exchangeable acidity; Ex. Al, exchangeable aluminium; AS, acid saturation; OM, organic matter; TN, total nitrogen; BP, Bray-II P.