Environmental Systems Research

Table 4 The correlation matrix for sub-surface soil samples

From: A chemical and multivariate statistical approach to assess the spatial variability of soil quality for environment around the Tamabil coal stockpile, Sylhet

Variables	pH	Total nitrogen	OM	K	P	S	Fe	As
pH	1.00
Total nitrogen	0.02	1.00
OM	− 0.13	− 0.19	1.00
K	− 0.03	− 0.09	− 0.61	1.00
P	− 0.02	− 0.47	0.33	− 0.48	1.00
S	0.05	0.13	− 0.07	0.19	− 0.33	1.00
Fe	0.14	− 0.42	0.004	0.36	0.006	0.008	1.00
As	− 0.19	0.08	− 0.39	0.54	− 0.48	0.42	0.35	1.00

** Italic values indicate the significant correlation between the various chemical parameters

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