This study aimed to determine the effectiveness of various doses of Methyl Metsulfuron herbicide with the addition of Surfactant in controlling weeds in immature oil palm (Elaeis guineensis Jacq.) plantations. The research was conducted in Wimar Oil Palm Plantation PT BCP Kebun Suka Mulya from November 2022 to April 2023. This study used Factorial Randomised Block Design with 2 factors. The fir…