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Electronic supplementary material The online version of this article ( https://doi.org/10.1007/s13238-019-0632-1 ) contains supplementary material, which is available to authorized users.
This study is, on basis of the geochemical survey project of agriculture landing Sichuan province China, to assess the pollution levels of heavy metal in agriculture soil in Weicheng town, Mianyang city. The pollution assessments to soil heavy metals are employed by SF (single factor) and CF (comprehensive factors) pollution index analysis. According to the soil types and terrain in study site, it...
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