Heavy metals
Revision as of 16:16, 6 December 2005 by 140.254.84.211 (talk)
1. the heavy metals of concern to gardeners are lead, zinc, nickel, arsenic, copper and cadmium. These metals can be toxic to plants when they accumulate to high levels in the soil.
This is a test bed for phytoremediation, testing which plants can be used to remove heavy metals from the soil.
Source: http://www.agnet.org