(CorriereAlpi) - Fire in the vineyards: to warm the screws. Agriculture fight against frost back in this April "abnormally cold", as defined by the Arpav. And to avoid incalculable damage to fruit trees and other productions already sprouted in the hot weather of the past few weeks, also it comes to light the bonfire to prevent freezing up gems. Agriculture in the alert, ready to count the damage of these unexpected frosts.