Copper toxicity - Lucid Key ServerToxic levels of copper (Cu) rarely occur naturally in soils. . sludge, pig slurries or mine slag, or more commonly through persistent use of copper-containing fungicides or fertilisers. Mild symptoms of copper toxicity have been observed on sweetpotato in northern Australia on land with a history of heavy fungicide use.effects of excess copper on mined lands,Heavy Metal Pollution from Gold Mines: Environmental Effects and .Oct 26, 2016 . Elevated levels of HM in gold mine tailings greatly affects the diversity, .. Copper toxicity is as a result of its harmful effects on the bacterial cell.
effects of excess copper on mined lands