GGeochimica et Cosmochimica Acta3/15/2026Ferrous iron input retards denitrification and drives N2O accumulation across salinity gradientsJianrong Huang·H. B. Jiang·Andreas Kappler·Qing Liu·Sayed Dildar Hussain·Jian Yang·Jingjing Zhao·Mingxian HanRead at Geochimica et Cosmochimica ActaTagsIron oxide chemistry and applicationsRenewable Energy, Sustainability and the Environment