UPTAKE OF HEAVY METALS BY A CROP PLANT
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FIGURE 13.23 A survey of vegetable-growing areas in Fujian, China, revealed that the edible parts of Chinese white cabbage (Brassica chinensis), growing on soils with higher lead content, contained elevated concentrations of lead. The average concentrations of lead in cabbage in four of the fields exceeded the maximum permissible lead content in food, 0.2 mg/kg, allowed in China. (Data from Huang et al., 2012)