Jessica Bertheloot, Paul-Henry Cournède and Bruno Andrieu (INRA)


Model category FSPM
Plant part Shoot
Scale Organs, Whole_plant
Licence upon_request
Operating system NA
Programming language Cpp
Format of model inputs and outputs Text files
Species studied Wheat
Execution environment NA

Scientific article

NEMA, a functional–structural model of nitrogen economy within wheat culms after flowering. I. Model description
Jessica Bertheloot,Paul-Henry Cournède and Bruno Andrieu
Annals of Botany, 2011 View paper

Model description

NEMA (Nitrogen Economy model within plant Architecture) is a mechanistic model of nitrogen economy which links nitrogen fluxes to nitrogen concentration and physiological processes. NEMA is developed for winter wheat (Triticum aestivum) after flowering. The plant aerial parts are described in a botanically realistic way and physiological processes are expressed at the scale of each aerial organ or root compartment as a function of local conditions (light and resources). The model predicts the acquisition and distribution within wheat plants after flowering of both dry matter and N, using soil N concentration and the daily time courses of temperature and of PAR above the canopy as driving variables.

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