<style face="normal" font="default" size="100%">Decline in photosynthetic nitrogen use efficiency with leaf age and nitrogen resorption as determinants of leaf life span</style>

Drupal-Biblio

17

<style face="normal" font="default" size="100%">Decline in photosynthetic nitrogen use efficiency with leaf age and nitrogen resorption as determinants of leaf life span</style>

Drupal-Biblio

17

<style face="normal" font="default" size="100%">Leaf life span differs from retention time of biomass and nutrients in the crowns of evergreen species</style>