多种评价方法应用于天津核桃主产区的土壤环境质量评价

谢薇, 杨耀栋, 侯佳渝, 菅桂芹, 李国成, 赵新华

The evaluation of soil environmental quality of main walnut producing areas based on various methods of heavy metal contamination assessment in Tianjin

XIE Wei, YANG Yao-Dong, HOU Jia-Yu, JIAN Gui-Qin, LI Guo-Cheng, ZHAO Xin-Hua

图3 核桃中不同元素富集系数

Fig.3 Bioaccumulaion factors of different elements in walnuts