Circadian redox oscillations drive oxic methane production in the rhizosphere
Frank Keppler
Nature Geoscience, Published online: 12 May 2026; doi:10.1038/s41561-026-01980-9 Circadian redox oscillations in the rhizosphere are shown to generate methane in the presence of oxygen, revealing a chemical pathway contributing to paddy methane emissions, according to incubation experiments, geochemical analyses and machine-learning upscaling.