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Heavy metal uptake from contaminated soils by six varieties of lettuce (Lactuca sativa L.)

Published online by Cambridge University Press:  27 March 2009

Helen M. Crews  and
B. E. Davies
Helen M. Crews
Affiliation:
Geography Department, University College of Wales, Aberystwyth, Dyfed, SY23 3DB
B. E. Davies
Affiliation:
Geography Department, University College of Wales, Aberystwyth, Dyfed, SY23 3DB
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Summary

A replicated pot experiment is described in which six lettuce varieties were grown in four contaminated soils of different Cd, Cu, Pb and Zn concentrations. Webb's Wonderful absorbed least and All Year Round absorbed most Cd and Zn from all four soils. Uptake of both metals by all six varieties increased with increasing soil contents and leaf Cd and Zn concentrations were positively and significantly correlated. There was little evidence for a varietal control of the absorption of Pb and none for Cu, but a significant positive correlation between leaf Cu and Pb concentrations was observed.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 105 , Issue 3 , December 1985 , pp. 591 - 595
Copyright
Copyright © Cambridge University Press 1985

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References

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