This study aims to determine the content of iron (Fe) in tidal swamp agricultural areas in Tanjung Lago District. This research was carried out in October 2021 until completion on typology A, B, C, and D tidal agricultural land in Mulia Sari Village, Tanjung Lago District, Banyuasin Regency. This study uses a survey and soil test method with the number of sample points taken is 12 points using …