This research was conducted to determine the effectiveness of the herbicide Isopropylamine glysophate on the growth of purple nutsedge. This research was conducted from October to December 2021 in Bukit Baru, Palembang with following location (2°58'43.1"S, 104°42'26.5"E). This study used tubers of purple nutsedge. This study was arranged in randomized block design method which consisted of 9 …