This study aims to determine the effect of dripline depth on hydroponic polybag substrates using husk charcoal for pakchoy (Brassica Rapa l). This research was conducted from March to November 2021 at the Agricultural Engineering Plant House, Faculty of Agriculture, Sriwijaya University, Indralaya. This research was conducted in a plant house using a non-factorial Randomized Block Design (RAK) …