Le temperature sono scese sotto i zero gradi in diverse regioni di Svizzera nella notte tra mercoledì e giovedì e l’ondata di freddo tardivo fa temere danni all’agricoltura.
La colonnina di mercurio ha toccato i -3 gradi nel Giura e nel canton Zurigo, i -4 in Vallese, mentre il primato spetta alla Brévine con -11 gradi.
Per capire se il freddo abbia causato alle colture bisognerà attendere ancora qualche giorno, ma si teme in particolare per il raccolto di albicocche nella piana del Rodano e per i vigneti grigionesi, dove gli agricoltori sono intervenuti nella notte con fiaccole per difendere le piante dal gelo.
ATS/sf
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