Abstract
In the smelting of arsenopyrite ores during the gold extraction process, substantial amounts of As2O3 are released into the environment. The work described in this paper demonstrates the potential effect of this fallout on the growth of white spruce trees. Several small trees were planted in soil containing various amounts of As2O3 and their growth was studied over an ii mo period. Substantial retardation of the growth of the trees with As containing soil was observed.
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