SELVIA RAHMAYENTI, NIM. 1910247099, Effectiveness of babadotan plant extract bioherbicide (Ageratum conyzoides L.) for control of alang-alang (Imperata cylindrica L.), supervised by Dr. Hafiz Fauzana, SP., MP and Dr. M. Amrul Khoiri, SP., MP Alang-alang (Imperata cylindrica L.) is a type of grass with sharp leaves, which is often a weed on agricultural land. Weed control is generally carried …