广西荔浦市土壤—农作物中重金属迁移转化及生态效应

蒋羽雄, 文美兰, 潘启明, 蒋柏昌, 王忠伟

The migration,transformation and ecological effects of heavy metals in soil-cropsystem in Lipu, Guangxi

JIANG Yu-Xiong, WEN Mei-Lan, PAN Qi-Ming, JIANG Bo-Chang, WANG Zhong-Wei

表4 不同农作物的生物富集系数变化范围

Table 4 Variation range of bioconcentration coefficient of different crops

农作物种类 As Cd Cr Hg Pb 水稻籽实 0.003~0.040 0.007~6.879 0~0.002 0.003~0.223 0~0.003 水稻茎叶 0.063~0.420 0.040~4.010 0.010~0.080 0.008~0.030 0.006~0.020 水稻根 0.310~7.500 0.420~4.480 0.320~0.410 0.060~0.210 0.130~0.290 马蹄 0.0025~0.0831 0.0102~0.1242 0.0030~0.0019 0.0224~0.1517 0.0008~0.0027 荔浦芋 0.0009~0.0013 0.0373~2.6347 0.0005~0.0016 0.0071~0.0698 0.0015~0.0074 柑橘 0.0001~0.0023 0~0.0114 0~0.0040 0.0002~0.0027 0.0001~0.0013