Method for packing harvested berries directly into clamshell packages during hand harvesting. A harvester utilizes an open-topped harvesting apparatus having a plurality of bottom assemblies for supporting a shipping tray that contains a plurality of clamshell packages. The method includes the step of securing the apparatus on the harvester's belt for carrying the shipping tray. The apparatus has a side supporter disposed thereon and below belt notch-like loops. The method also includes the steps of supporting the shipping tray on a plurality of bottom assemblies disposed on the apparatus; maintaining the bottom assemblies substantially horizontal to the ground with the side supporter when the apparatus is worn by the harvester; and storing a plurality of the clamshell packages in the shipping tray for receiving berries picked directly from the plant for eliminating multiple touches of said berries for improved fruit quality.