Coupled machine learning–ecosystem ensemble models substantially improve predictions of nitrous oxide (N2O) fluxes from US croplands

Proceedings of the National Academy of Sciences, Volume 123, Issue 10, March 2026. <br/>SignificanceNitrous oxide (N2O) is a potent and increasingly important greenhouse gas currently responsible for ~7% of human-caused atmospheric warming. Agriculture is a major emitter of N2O globally, and agricultural soils are a major if still uncertain …