METHOD FOR AVOIDING FROST DAMAGE IN CROPS AND/OR FOR IMPROVING THE FRUCTIFICATION AT LOW TEMPERATURES AND DEVICE APPLIED WITH SUCH A METHOD

摘要

Method for avoiding frost damage in crops (35) and/or for improving the fructification at low temperatures, characterized in that it consists in periodically heating and cooling the air on the site of the crops (35) between a minimum and a maximum temperature with a minimal temperature variation of 0.2.degree.C.