The Influence of Tidal on Fe Distribution at Tidal Swamp Rice-Farming in Barito River Area, South Kalimantan, IndonesiaMawardi, Bambang Hendro Sunarminto, Benito Heru Purwanto, Putu Sudira and Totok GunawanBIO Web Conf., 20 (2020) 02002DOI: https://doi.org/10.1051/bioconf/20202002002