Nutrient content of jack bean (Canavalia ensiformis) at different growth stages in Blora, East Java, IndonesiaBayu Prasetyo, Bambang Suwignyo, Genki Ishigaki, Takahiro Gondo, Diafan Kurnia Jati and Yogi Sidik PrasojoBIO Web Conf., 164 (2025) 02001DOI: https://doi.org/10.1051/bioconf/202516402001