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Search: authors:"Anthony W. Evanson"

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Aerial application of copper for dothistroma control in New Zealand’s planted forests—effect on stream environments

Limited information is available on the risk to aquatic environments from the aerial application of copper fungicides to treat dothistroma needle blight in managed forests. Cuprous oxide was aerially applied to three catchments of Pinus radiata of varying age classes in the central North Island of New Zealand. Copper was monitored in stream water and sediments prior to and for 1 ...