Organic farming: the use of copper at the heart of an ANSES opinion
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A farmer sprays pesticides on his potato plants. Yevhen Roshchy/stock.adobe.com
The use of copper in organic farming is often criticized by conventional farmers. In a recently published report, ANSES, the food safety agency, estimates that it is technically possible to grow crops without copper, but this is not without consequences for yields.
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I subscribeCopper is an essential substance in agriculture. Both conventional and organic farms use products containing it. It is recognized for its effectiveness against some of the most destructive diseases in France. Like mildew or scab, the use of copper products is "anchored" in the routines of many farmers. Although conventional agriculture generally consumes more tons of copper each year, copper occupies a central place in organic farming : per hectare, the quantities used are greater.
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