The “30 minutes” standard is one of a variety of steps undertaken in order to further improve the processes of storing and packing blueberry fruit. Another important step is the “7 Rules of Good Harvest” which are instrumental in the training of pickers and raising even further the quality of the excellent hand picking which Polish farms are renowned for.

www.freshplaza.com/article/175146/Polish-blueberry-growers-set-30-minute-cooling-standard