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Rebalancing global nitrogen management in response to a fertilizer and food security crisis

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Title Rebalancing global nitrogen management in response to a fertilizer and food security crisis
 
Creator Snapp, Sieglinde S.
Sapkota, Tek Bahadur
Chamberlin, Jordan
Cox, Cindy
Gameda, Samuel
Jat, Mangi Lal
Marenya, Paswel Phiri
Mottaleb, Khondoker Abdul
Negra, Christine
Senthilkumar, Kalimuthu
Sida, Tesfaye
Singh, Upendra
Stewart, Zachary
Fantaye, Kindie Tesfaye
Govaerts, Bram
 
Subject agriculture
climate change mitigation
biogeochemistry
fertilizers
food security
 
Description As of Jan 18, 2023 this article is listed as a pre-print and as such has not been peer reviewed by the journal
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.
 
Date 2022-12-06
2023-01-19T14:47:15Z
2023-01-19T14:47:15Z
 
Type Manuscript-unpublished
 
Identifier Snapp, S., Sapkota, T., Chamberlin, J., Cox, C., Gameda, S., Jat, M., Marenya, P., Mottaleb, K., Negra, C., Senthilkumar, K., Sida, T., Singh, U., Stewart, Z., Tesfaye, K. and Govaerts, B. 2022. Rebalancing global nitrogen management in response to a fertilizer and food security crisis [Preprint]. In Review. https://hdl.handle.net/10883/22412
2693-5015
https://hdl.handle.net/10568/127573
https://hdl.handle.net/10883/22412
https://doi.org/10.21203/rs.3.rs-2318855/v1
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format application/pdf
 
Publisher Research Square Platform LLC