Journal Article 2 leaf nitrogen concentration 3D canopy 1 Canopy photosynthesis 1 Mediterranean old fields 1 N762921K75 1 Nitrogen 1 mehr ... Research Support, Non-U.S. Gov't 1 functional leaf traits 1 ideotype 1 leaf dry matter content 1 plant functional classification 1 rice 1 spatio-temporal variability 1 specific leaf area 1 structure-function relationships 1 systems model 1 weniger ...