The purpose of this study was to determine the effect of local microorganisms through leaves and the addition of coffee grounds as organic fertilizer on watermelon (Citrullus lanatus L.) plants. This research was conducted on October 4, 2021 to December 1, 2021. This research was conducted at the Faculty of Agriculture, Sriwijaya University, Indralaya, Ogan Ilir. This research was conducted usi…