陕西关中富硒土壤研究及开发利用——以三原—阎良地区为例

乔新星, 晁旭, 任蕊, 张继军, 胡奎, 李傲瑞, 张志敏

Research, development and utilization of selenium-rich soil of Shaanxi:A case study of Sanyuan-Yanliang area

QIAO Xin-Xing, CHAO Xu, REN Rui, ZHANG Ji-Jun, HU Kui, LI Ao-Rui, ZHANG Zhi-Ming

表8 作物中重金属元素含量统计

Table 8 Statistics of heavy metal elements contents in crops

样品类别 As Cd Cr Cu Hg Ni Pb Zn 小麦 0.721 0.14 0.806 9.41 0.009 6.577 0.307 46.514 玉米 0.07 0.012 0.405 2.45 0.005 0.181 0.173 24.81 油菜 0.032 0.025 0.142 3.673 0.007 0.053 0.384 42.492 大蒜 0.035 0.013 0.019 1.867 0.001 0.097 0.027 7.983 芹菜 0.047 0.025 0.446 1.701 0.002 0.272 0.079 3.763 萝卜 0.005 0.001 0.039 0.264 0 0.045 0.028 2.126 花白 0.004 0 0.037 0.169 0 0.055 0.015 0.979 菜花 0.006 0 0.055 0.28 0 0.045 0.031 1.631 白菜 0.005 0.001 0.052 0.209 0 0.046 0.023 1.694 食品中污染物限量/10-6 ≤0.5 ≤0.1 ≤1 ≤0.02 ≤0.2