Orchid doctor

COPPER ARSENATE, CHROMATED: Used to Treat Wood Deck

Orchid Doctor

by Robert M. Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 2 years ago.

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It will harm plants only if the roots cantact it. A79-334
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COPPER ARSENATE, CHROMATED: Problems Lumber treated with it for greenhouse construction etc., cause some root-tips to die on contact and its fumes discolor plastic film. A79-910 0
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