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On Saturday, March 28, Savoie is facing a particularly feared frost episode, with temperatures dropping to -4°C. After an unusually mild winter, vegetation has advanced, making flowers and young fruits very vulnerable.

Faced with this major agricultural risk, the prefecture of Savoie has exceptionally authorized the burning of vegetation between March 26 and 30, during the coldest nights. A strictly regulated measure, aimed at protecting the most exposed crops.

In orchards, fruit growers are using various methods to fight against the frost: sprinkling water to create an ice protection, heating candles, or anti-freeze towers. Effective but expensive and constraining devices, mobilized urgently to limit losses.

Despite these efforts, the risks remain high. From -1 to -2°C, flowers can be damaged, compromising part, or even all, of the harvest.

This episode illustrates a new reality for farmers, with advanced vegetation cycles followed by abrupt returns of cold. The next few days will be decisive in assessing the extent of the damage.