Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 19, issue 20
Articles | Volume 19, issue 20
https://doi.org/10.5194/gmd-19-9973-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-9973-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 20
Model description paper
 | 
19 Oct 2026
Model description paper |  | 19 Oct 2026

Improving photosynthate allocation dynamic simulations of crops under water stress conditions

Wei Xu, Wen Zhang, Yongqiang Yu, and Qing Zhang

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Short summary
This study improves the Agro-C model to better represent how crops respond to changing soil moisture. The updated model adjusts carbon allocation between roots and leaves according to soil moisture and growth stage, and also accounts for leaf aging under water stress. Tests with field data for maize and wheat showed better predictions of plant growth above and below ground. The results can improve estimates of crop production and soil carbon storage under future drought and climate change.
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