According to the Pearson correlation analysis ( Figure S1 ), at the 0.01 significance level, Cu-Cd (r = 0.75), Pb-Cd (r = 0.83), Pb-As (r = 0.77), and As-Cd (r = 0.78) exhibit highly significant positive correlations.
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Heavy Metal Pollution and Health-Ecological Risk Assessment in Agricultural Soils: A Case Study from the Yellow River Bend Industrial Parks.
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