This study aims to obtain the effect of the addition of liquid organic fertilizer and NPK fertilizer on the growth of sorghum plants (Sorghum bicolar L.) that are polycultured in oil palm. This research was carried out at the Oil Palm Research station (-3.2227273, 104.6435292), Faculty of Agriculture, Sriwijaya University, Indralaya Utara District, Ogan Ilir, South Sumatra from December 2022 to…