The migration and enrichment of chromium(Cr) in soil-rice system were studied.The hydrofluoric acid method was used for digesting soil and dry digestion method for digesting rice,then graphite furnace atomic absorption method was applied for measuring the chromium content.Data analysis shows the following rules:(1) With the increase of fertilizer,the chromium content of soil in 10cm,30cm depth has increased;in the same fertilizer,chromium release was more efficient with chromium in available state.(2)The ch...