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Effect of Fertilization on Cu,Cr and Ni Uptake by Brassica campestris ssp. pekinensis in Soils Polluted by Electroplating Wastewater

HUANG Ming1,2,LIN Hua2,ZHANG Xue-hong2,HUANG Hai-tao2,LIANG Yan-peng2,ZHOU Xiao-ling2(1.Faculty of Urban Construction and Environmental Engineering,Chongqing University,Chongqing 400045,China;2.College of Environmental Science and Engineering,Guilin University of Technology,Guilin 541004,China)  
A field experiment was conducted using Brassica campestris ssp.pekinensis to assess effect of fertilization on migration and accumulation of Cr,Cu and Ni in the soil-brassica cropping system.Heavy metal absorption capacity of brassica varied with the fertilization treatment showing a decreasing order of organic fertilizercompound fertilizerurea.Acumulation of Cu,Cr did with the part of the plant,displaying an order of rootroofstem.Migration of these heavy metals from soil to brassica demonstrated an order of CuNi Cr,and effect of fertilization reducing content of available heavy metals in the soil did with the fertilization treatment,revealing an order of organic fertilizercompound fertilizerurea.
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