Anti-frost net compared to shade net and Rachel bag, is one of the newer products that has been widely used in the past few years to prevent frost damage. Recently, the Shahroud Agricultural organization achieved significant results by investigating the results of installing Anti-frost net, which has covered by National television news program. According to the research of this organization, simultaneous use of anti-frost net with heaters keeps the temperature around the trees about 3 degrees Celsius (twice as effective as using local heating) warmer than environment. These preventive actions have a significant effect on preventing frost damage in winter and spring. Here, Watch the video related to this study, which was done to compare the damage of frost to apricot trees.