This study aims to examine the effect of the length of irradiation of LED Grow Light 300 watts and 150 watts with and without the XH-W3001 sensor on the productivity of pakcoy (Brassica rapa L.) plants with the DFT (Deep Flow Technique) hydroponic system. This research was conducted on October 24, 2024 until November 22, 2024 at the Multipurpose Building, Faculty of Agriculture, Sriwijaya Unive…