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Oecologia

, Volume 56, Issue 2–3, pp 341–347 | Cite as

Allocating leaf nitrogen for the maximization of carbon gain: Leaf age as a control on the allocation program

  • C. Field
Original Papers

Summary

Simulations using a biochemically-based model of leaf photosynthesis make it possible to predict the distribution of leaf nitrogen contents that maximizes photosynthetic carbon gain over the canopy of an entire plant. In general, the optimal nitrogen content increased with increasing daily photosynthetically active photon irradiance.

Leaf aging in natural environments tended to produce leaf nitrogen contents that were similar to the optimal values but somewhat more clustered. Nitrogen redistribution over the duration of a leaf involves costs that are smaller than the benefits in increased photosynthesis. The costs could become larger than the benefits if nitrogen were redistributed on a shorter time scale.

Keywords

Nitrogen Photosynthesis Natural Environment Nitrogen Content Leaf Aging 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1983

Authors and Affiliations

  • C. Field
    • 1
  1. 1.Department of Biological SciencesStanford UniversityStanfordUSA

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