Analysis of changes and influencing factors of stablization treatment effects and bioavailability after freeze-thaw: a case study of Pb-contaminated soil in a non-ferrous metal factory in Northeast China.

3.5.3.1 Correlation analysis between soil physicochemical properties and the bioaccessibility of Pb PH, EC, and CEC showed a highly significant positive correlation ( p ≤ 0.01), indicating that pH, EC, and CEC in soil are homologous.

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Compared with the original contaminated soil, the Chao1 index showed a downward trend, the species richness decreased, and the Shannon index also showed a decreasing trend after Step2 and Step3, it can be argued reduced microbial diversity in soils.

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