ABSTRACT This study was aimed to produce Pakcoy (Brassica rapa L.) with better growth and production using Hydroponic system by applying combination of Nutrients AB Mix and fermented Paitan (Tithonia diversifolia (Hemsl.) A. Gray). The research has been implemented from November 2020 to December 2020 at a screen house of Technical Implementation Unit (UPT), Faculty of Agriculture, University o…