Chemical speciations of heavy metals and their risk assessment in agricultural soils in a coal mining area from Xingren County, Guizhou Province, China. Cropping system optimization based on the comparative analysis of precipitation utilization in Sichuan Province Risk division on winter wheat suffering from spring wet damages in Jiangsu Province Sediments eco-environmental quality assessment in the Changjiang Estuary and its adjacent waters Heavy metal pollution characteristics and ecological risk analysis for soil in Phyllostachys praecox stands of Lin’an. Risk Analysis of Host Specificity for Epiblema strenuana (Lepidoptera: Tortricidae), a Biocontrol Agent Against Ragweed, Ambrosia artemisiifolia (Compositae) Sources and potential risk of heavy metals in roadside soils of Xi’an City.