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Table 3 Correlation matrix for 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 N2 OM K P S Fe As
pH 1.00        
Total nitrogen 0.04 1.00       
OM − 0.16 − 0.16 1.00      
K 0.280 − 0.21 − 0.09 1.00     
P − 0.22 0.12 0.47 0.25 1.00    
S − 0.41 − 0.13 − 0.17 − 0.16 − 0.18 1.00   
Fe − 0.056 − 0.02 0.03 0.04 0.32 0.24 1.00  
As − 0.299 − 0.03 − 0.32 − 0.29 − 0.15 0.71 0.41 1.00
  1. ** Italic values indicate the significant correlation between the various chemical parameters