Influence of land slope and soil depth on weed seedbank in palm oil plantations Edi Wiraguna, Elpri Syalsabilla Nurdin, Hidayati Fatchur Rochmah, Ade Astri Muliasari, Merry Gloria Meliala, Lili Dahliani, Iis Purnawati, Wanda Russianzi and Aidil Azhar E3S Web Conf., 577 (2024) 01009 Published online: 11 October 2024 DOI: 10.1051/e3sconf/202457701009