Risk assessment of heavy metals contamination in paddy soil, plants, and grains (Oryza sativa L.) at the East Coast of India.

Biomed Res Int · 2014 · PMC4065656 · PMID 24995308

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highly significantno p-value reported

Correlation Matrix The correlation coefficient matrix is normally used to measure the degree of correlation between logarithms of the elemental concentrations [ 70 ], and this matrix for the heavy metals of paddy showed highly significant positive correlations between the pairs of elements of soil samples—Cd-Pb (0.65), Cr-Pb (0.95), Zn-Pb (0.96), Cd-Cr (0.83), Cd-Zn (0.69), and Cr-Zn (0.98) ( Table 5(a) ).

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