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we are architects in the uk and have a plants question for you that you might be able to help with ...
we are building a copper roof very close to a pear tree and are worried about the formation of copper sulphate killing the tree, the roof drains to the ground via a soak away so traces of copper could be in the water......how would copper suphate form ??? acid rain ???
any knowledge you have on the subject would be really appreciated
simon brown, walker and martin architecture
We donít think the amounts would be anywhere near to what would be used in a chemical spray (Bordeaux) and trees survive this. But donít have exact figures - couldnít find info on the chemistry - sorry!