Soil Nitrogen Supply Exerts Largest Influence on Leaf Nitrogen in Environments with the Greatest Leaf Nitrogen Demand. - Cheaib A; Waring EF; McNellis R; Perkowski EA; Martina JP; Seabloom EW; Borer ET; Wilfahrt PA; Dong N; Prentice IC; Wright IJ; Power SA; et al. (Ecology letters, 2025)