Copper Crackdown Vexes Vintners

Copper Crackdown Vexes Vintners
Grapes in Bordeaux treated with copper sulfate. (StellaPhotography/Alamy)
May 31, 2019

The E.U. is creating new limits on the use of copper compounds, with the long-term goal of banning them entirely. But some vintners say that without effective alternatives, organic vineyards will become economically unsustainable.

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