Role of Mineral Elements to Induce the Resistance of Arabica Coffee Against Rust Disease at Lowland AreaMuhammad Ghufron Rosyady, Ketut Anom Wijaya, Distiana Wulanjari and Ali WafaE3S Web Conf., 142 (2020) 03003DOI: https://doi.org/10.1051/e3sconf/202014203003