Articles | Volume 15, issue 2
Geosci. Model Dev., 15, 815–839, 2022
https://doi.org/10.5194/gmd-15-815-2022
Geosci. Model Dev., 15, 815–839, 2022
https://doi.org/10.5194/gmd-15-815-2022

Model evaluation paper 28 Jan 2022

Model evaluation paper | 28 Jan 2022

Modeling symbiotic biological nitrogen fixation in grain legumes globally with LPJ-GUESS (v4.0, r10285)

Jianyong Ma et al.

Data sets

Jianyong Ma/BNF in grain legumes in LPJ-GUESS Jianyong Ma, Stefan Olin, Peter Anthoni, Sam S. Rabin, Anita D. Bayer, Sylvia S. Nyawira, and Almut Arneth https://doi.org/10.5281/zenodo.5148255

WFDE5 over land merged with ERA5 over the ocean (W5E5 v2.0) Stefan Lange, Christoph Menz, Stephanie Gleixner, Marco Cucchi, Graham P. Weedon, Alessandro Amici, Nicolas Bellouin, Hannes Müller Schmied, Hans Hersbach, Carlo Buontempo, and Chiara Cagnazzo https://doi.org/10.48364/ISIMIP.342217

Production/Crops and livestock products FAOSTAT http://www.fao.org/faostat/en/#data/QC

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Short summary
The implementation of the biological N fixation process in LPJ-GUESS in this study provides an opportunity to quantify N fixation rates between legumes and to better estimate grain legume production on a global scale. It also helps to predict and detect the potential contribution of N-fixing plants as green manure to reducing or removing the use of N fertilizer in global agricultural systems, considering different climate conditions, management practices, and land-use change scenarios.