Testing the growth rate vs. geochemical hypothesis for latitudinal variation in plant nutrients

Lovelock, Catherine ; Feller, Ilka C. ; Ball, M. C. ; Ellis, J. ; Sorrell, B. (2007). Testing the growth rate vs. geochemical hypothesis for latitudinal variation in plant nutrients . Ecology Letters, 10 (12) , 1154-1163. http://dx.doi.org/10.1111/j.1461-0248.2007.01112.x