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Snapp, S. S., Sapkota, T. B., Chamberlin, J., Cox, C. M., Gameda, S., Jat, M., Marenya, P., Mottaleb, K. A., Negra, C., Senthilkumar, K., Sida, T. S., Singh, U., Stewart, Z. P., Fantaye, K. T., & Govaerts, B. (2022). Rebalancing global nitrogen management in response to a fertilizer and food security crisis. Research Square (Research Square). https://doi.org/10.21203/rs.3.rs-2318855/v1
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Vulnerabilities of the global fuel-fertilizer-food nexus have been revealed by a regional geopolitical conflict causing sudden and massive supply disruptions. Across over- and under-fertilized agricultural systems, nitrogen (N) fertilizer price spikes will have very different effects and require differentiated responses. For staple cereal production in India, Ethiopia, and Malawi, our estimates of N-fertilizer savings show the value of integrated organic and inorganic N management. N-deficient systems benefit from shifting to more cost-effective, high-N fertilizer (such as urea), combined with compost and legumes. N-surplus systems achieve N savings through better targeted and more efficient N-fertilizer use. Globally, there is a need to re-balance access to N-fertilizers, while steering the right fertilizer to the right place, and managing N in combination with carbon through near-term interventions, while striving for longer-term sustainable management. Nationally, governments can invest in extension and re-align subsidies to enable and incentivize improved N management at the farm level.
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Research Square
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USA
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Research Square
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CGIAR Trust Fund
Related Datasets
CGIAR
Initiative
Transforming Agrifood Systems in South Asia
Impact Area
Nutrition, health & food security
Action Area
Resilient Agrifood Systems