Abstract
The effects of Pb treatments on Pb uptake by three food crops were investigated in a growth chamber experiment. Pb was added as Pb-acetate at the rates of 0, 200, 1000 and 2000 mg/kg soil. Lead concentrations in some plant parts were influenced more dramatically by soil Pb treatments than levels in other plant sections. Lettuce and carrot roots accumulated markedly higher Pb concentrations than the other plant parts. Since excessive dietary intake of Pb is undesirable, growth of Pb-responsive crops in contaminated soils should be avoided.
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