Journal Article 5 N762921K75 5 Nitrogen 5 root nitrogen uptake 3 Research Support, Non-U.S. Gov't 2 diffusion 2 mass flow 2 mehr ... 7440-44-0 1 AAP1 1 AAP1 protein, Arabidopsis 1 Amino Acid Transport Systems, Neutral 1 Amino Acids 1 Arabidopsis Proteins 1 Carbon 1 Comment 1 LHT6 1 Research Support, U.S. Gov't, Non-P.H.S. 1 Soil 1 Terrestrial Ecosystem Models (TEMs) 1 above and below-ground biomass allocation 1 amino acid transporter 1 canopy photosynthesis 1 cellular import of organic nitrogen 1 gross primary production 1 leaf and root mass fraction 1 leaf area index 1 leaf photosynthetic capacity 1 light and nutrient availability 1 maximum wood production 1 microbial nitrogen immobilization 1 weniger ...