To assess the dependence of the soil properties and the
content of the analyzed elements the correlation analyses was
performed on different variables (Table 6). Clay and CEC
show moderate to strong correlations with elements from
both digestion methods. OM has significant positive correlation
with most of the aqua regia extractable elements, and
positive significant correlation only with total Ba, Li and P.
pH significantly correlates only with aqua regia extractable
Ca, Ni and Mg and total Ni. No significant correlation was
found among TOC and pseudo-total elements. Only total Ag,
Ca, Sr, V and Zn significantly correlated with TOC.