The Scientific World Journal

Research Article

Degradation Rate/Vulnerability Potential and Fertility Status of Luvisols in the Mandara Mountains (Far-North Cameroon)

Table 9

Spearman correlation matrix for linear relationships between soil properties in the cultivated plot.


Variables	Sand	Silt	Clay	pH_H2O	pH_KCl	OC	OM	N	C/N	Ca	Mg	K	Na	CEC	P	BD	Ca/Mg	Mg/K	ISS	SBE	V

Sand	1
Silt	−0.618	1
Clay	−0.814	0.188	1
pH_H2O	0.188	0.268	−0.144	1
pH_KCl	0.062	0.338	−0.034	0.939	1
OC	−0.295	0.503	0.092	−0.097	−0.018	1
OM	−0.295	0.503	0.092	−0.097	−0.018	1.000	1
N	−0.284	0.137	0.267	0.378	0.560	0.170	0.170	1
C/N	−0.074	0.416	−0.135	−0.340	−0.329	0.721	0.721	−0.480	1
Ca	−0.120	0.012	0.340	0.619	0.749	−0.140	−0.140	0.622	−0.529	1
Mg	0.062	−0.118	0.135	0.492	0.366	−0.321	−0.321	0.055	−0.455	0.304	1
K	0.292	0.177	−0.255	0.746	0.749	0.136	0.136	0.211	−0.019	0.675	0.142	1
Na	0.442	−0.129	−0.331	0.589	0.597	0.013	0.013	0.209	−0.189	0.659	0.328	0.881	1
CEC	−0.130	0.374	0.169	0.805	0.865	0.310	0.310	0.723	−0.237	0.640	0.340	0.551	0.418	1
P	−0.074	0.031	0.092	0.363	0.584	−0.201	−0.201	0.768	−0.614	0.613	0.109	0.173	0.272	0.543	1
BD	0.105	0.043	−0.141	0.073	−0.159	0.285	0.285	−0.286	0.248	−0.438	0.552	−0.148	−0.051	0.067	−0.511	1
Ca/Mg	0.074	0.043	−0.049	0.073	0.213	0.164	0.164	0.188	0.212	0.347	−0.636	0.475	0.227	0.055	0.030	−0.673	1
Mg/K	−0.363	−0.031	0.306	−0.286	−0.433	−0.188	−0.188	−0.122	−0.224	−0.432	0.455	−0.710	−0.568	−0.225	−0.231	0.588	−0.806	1
ISS	−0.111	0.404	−0.067	−0.152	−0.098	0.964	0.964	0.012	0.830	−0.280	−0.418	0.117	−0.025	0.182	−0.328	0.285	0.248	−0.273	1
SBE	−0.037	0.056	0.245	0.815	0.817	−0.261	−0.261	0.462	−0.576	0.857	0.709	0.630	0.631	0.693	0.456	−0.018	−0.018	−0.115	−0.394	1
V	0.172	−0.416	0.086	0.043	−0.067	−0.588	−0.588	−0.383	−0.382	0.195	0.709	0.049	0.328	−0.274	−0.103	0.212	−0.455	0.297	−0.624	0.418	1

Significant at ; SBE: sum of exchangeable bases; ISS: soil aggregate stability index; BD: bulk density.