Nitrogen demand and availability: relative roles in driving C3 plant responses to elevated CO2

This article comments on: Perkowski EA, Ezekannagha E, Smith NG. 2025. Nitrogen demand, availability, and acquisition strategy control plant responses to elevated CO(2). Journal of Experimental Botany 76, 2908–2923 https://doi.org/10.1093/jxb/eraf118