Articles | Volume 18, issue 22
https://doi.org/10.5194/gmd-18-8801-2025
https://doi.org/10.5194/gmd-18-8801-2025
Development and technical paper
 | 
20 Nov 2025
Development and technical paper |  | 20 Nov 2025

Developing an eco-physiological process-based model of soybean growth and yield (MATCRO-Soy v.1): model calibration and evaluation

Astrid Yusara, Tomomichi Kato, Elizabeth A. Ainsworth, Rafael Battisti, Etsushi Kumagai, Satoshi Nakano, Yushan Wu, Yutaka Tsutsumi-Morita, Kazuhiko Kobayashi, and Yuji Masutomi

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Cited articles

Adeboye, O. B., Schultz, B., Adeboye, A. P., Adekalu, K. O., and Osunbitan, J. A.: Application of the AquaCrop model in decision support for optimization of nitrogen fertilizer and water productivity of soybeans, Information Processing in Agriculture, 8, 419–436, https://doi.org/10.1016/j.inpa.2020.10.002, 2021. 
Ai, Z. and Hanasaki, N.: Simulation of crop yield using the global hydrological model H08 (crp.v1), Geosci. Model Dev., 16, 3275–3290, https://doi.org/10.5194/gmd-16-3275-2023, 2023. 
Ainsworth, E. A., Davey, P. A., Bernacchi, C. J., Dermody, O. C., Heaton, E. A., Moore, D. J., Morgan, P. B., Naidu, S. L., Ra, H. S. Y., Zhu, X. G., Curtis, P. S., and Long, S. P.: A meta-analysis of elevated [CO2] effects on soybean (Glycine max) physiology, growth and yield, Glob. Change Biol., 8, 695–709, https://doi.org/10.1046/j.1365-2486.2002.00498.x, 2002. 
Ainsworth, E. A., Rogers, A., Leakey, A. D. B., Heady, L. E., Gibon, Y., Stitt, M., and Schurr, U.: Does elevated atmospheric [CO2] alter diurnal C uptake and the balance of C and N metabolites in growing and fully expanded soybean leaves?, J. Exp. Bot., 58, 579–591, https://doi.org/10.1093/jxb/erl233, 2007. 
Ainsworth, E. A., Serbin, S. P., Skoneczka, J. A., and Townsend, P. A.: Using leaf optical properties to detect ozone effects on foliar biochemistry, Photosynth. Res., 119, 65–76, https://doi.org/10.1007/s11120-013-9837-y, 2014. 
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We developed a soybean model, an ecosystem model for crop yield (namely MATCRO-Soy), integrating crop response toward climate variables. It offers a detailed yield estimation. Parameter tuning in the model used literature and field experiments. The model shows a moderate correlation with observed yields at the global, national, and grid-cell levels. Development of this model enhances crop modeling diversity approaches, particularly in climate change impact studies.
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