Anti-freeze products to apply to the plants

Other defense systems, whose effectiveness is still little confirmed and in any case variable, are those of the application on crops of protective products against thermal lowering, with presumed anti-freeze action.

Anti-freeze fans

Fans are the most common devices used in alternative anti-freeze systems to irrigation.

Anti-insect nets

The practice consists of covering the fruit-farm with a mesh that is more tightly weaved than the classic hail-proof net in order to isolate it from external insect attacks (especially frugivores)