Bright and early Anti-frost candles save Swiss produce

Farmers in a vineyard in Fläsch, canton Graubünden, attempt to keep their vines safe from frosty spring conditions on April 28, 2016

Farmers in a vineyard in Fläsch, canton Graubünden, attempt to keep their vines safe from frosty spring conditions on April 28, 2016

(Keystone)

The weather in April can be a challenge for Swiss farmers, winemakers and stone fruit growers. Two hundred anti-frost candles per hectare are necessary to raise the temperature by two to three degrees and protect the fruit from the cold. 

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