[Korean Farmers' News Agency, Reporter Kim Young-min] #A barometer of high quality: Achieving high income by producing post-harvest managed agricultural products is a wish of all farmers. Even if the process from breeding to cultivation and harvesting is well done, if post-harvest management such as storage is neglected, the commercial value will be impacted. Since agricultural products also breathe, decay or fermentation occurs during this process, leading to reduced weight, etc. Therefore, to maintain the post-harvest commercial value, it is important to control temperature as well as humidity, oxygen, and carbon dioxide concentrations to create optimal conditions. In the past, the concept of post-harvest management was not significant, but as the importance of agricultural product storage has increased,