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Table 8 Factor loadings obtained with unroasted factor matrix (sub-surface samples)

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

Parameters Factor 1 Factor 2 Factor 3 Factor 4
pH 0.01 0.06 0.88 − 0.44
Total nitrogen − 0.24 − 0.85 0.09 0.003
OM 0.67 0.05 − 0.41 − 0.45
K − 0.81 0.31 0.08 0.26
P 0.75 0.37 − 0.01 0.08
S − 0.48 − 0.16 − 0.24 − 0.69
Fe − 0.28 0.80 0.04 − 0.20
As − 0.81 0.15 − 0.32 − 0.07
  1. Italic values represent that level of significance among different parameters