This study aimed to determine the optimal dosage of seaweed-based biostimulants on the gowth and yield of sweet corn plants (Zea mays saccharata Sturt.). The research was conducted at the Experimental Garden of PT Pupuk Sriwidjaja Palembang from August to November 2023. The method used in this study was a Randomized Complete Block Design (RCBD) with 5 treatments, each treatment repeated 6 times…