天津市蓟州区富硒土壤成因与土壤硒来源研究
谢薇, 杨耀栋, 侯佳渝, 李国成, 菅桂芹

Studies on causes and influential factors of selenium-enriched soils in Jizhou district of Tianjin
Wei XIE, Yao-Dong YANG, Jia-Yu HOU, Guo-Cheng LI, Gui-Qin JIAN
表2 蓟州北部地区土壤重金属含量统计
Table 2 Statistics of heavy metals content in northern Jizhou
参数 Cd Hg Pb As Zn
最小值/10-6 0.08 0.02 11.80 2.44 34.30
最大值/10-6 0.73 0.17 112.80 23.80 214.30
平均值/10-6 0.22 0.06 26.03 11.93 82.97
超筛选值/% 11.70 0.00 1.70 0.00 0.00