Effects of biochar-based compound fertilizer (BCF)-urea on growth, yield, N-uptake and protein content of corn (Zea mays L.) in Madura AlfisolSlamet Supriyadi, Fahmi Arief Rahman, Sinar Suryawati, Nur Chofinah, Urli Holidatul Munawaroh, Nurul Eva Eliya and Wiwied Fitria DamayantiEPJ Web Conf., 344 (2025) 01041DOI: https://doi.org/10.1051/epjconf/202534401041