Articles | Volume 15, issue 2
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, Stefan Olin, Peter Anthoni, Sam S. Rabin, Anita D. Bayer, Sylvia S. Nyawira, and Almut Arneth

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Cited articles

Abu-shakra, S. S., Phillips, D. A., and Huffaker, R. C.: Nitrogen Fixation and Delayed Leaf Senescence in Soybeans, Science, 199, 973–975, 1978. 
Ainsworth, E. A. and Long, S. P.: What have we learned from 15 years of free-air CO2 enrichment (FACE)? A meta-analytic review of the responses of photosynthesis, canopy properties and plant production to rising CO2, New Phytol., 165, 351–371,, 2005. 
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,, 2007.  
Becker, M., Ladha, J. K., and Ali, M.: Green manure technology: Potential, usage, and limitations. A case study for lowland rice, Plant Soil, 174, 181–194, 1995. 
Boote, K. J., Mínguez, M. I., and Sau, F.: Adapting the CROPGRO legume model to simulate growth of faba bean, Agron. J., 94, 743–756,, 2002. 
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.