鄂西典型高硒区土壤和农作物硒含量特征及其影响因素研究

秦浩林, 李明龙, 郑德顺, 孙风波, 张凯

Characteristics and influencing factors of selenium content in soils and crops in typical high-selenium-content regions of western Hubei Province, China

QIN Hao-Lin, LI Ming-Long, ZHENG De-Shun, SUN Feng-Bo, ZHANG Kai

表5 不同地质年代成土母质中农作物生物富集系数

Table 5 Crop bioconcentration coefficients in soil-forming matrices of different geologic ages%

农作物 S D C P T 玉米 5.69 3.74 5.96 7.14 15.06 土豆 4.19 2.89 4.36 5.21 5.38 水稻 13.46 14.94 10.83 23.60 15.17 萝卜 18.95 14.10 21.74 36.60 60.04 白菜 23.68 17.86 19.23 55.88 83.34 茶叶 11.60 10.51 8.16 26.42 23.92