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  Reforming China’s fertilizer policies: implications for nitrogen pollution reduction and food security

Wang, X., Xu, M., Lin, B., Bodirsky, B. L., Xuan, J., Dietrich, J. P., Stevanović, M., Bai, Z., Ma, L., Jin, S., Fan, S., Lotze-Campen, H., Popp, A. (2023): Reforming China’s fertilizer policies: implications for nitrogen pollution reduction and food security. - Sustainability Science, 18, 407-420.
https://doi.org/10.1007/s11625-022-01189-w

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 ???ViewItemFull_lblCreators???:
Wang, Xiaoxi1, ???ENUM_CREATORROLE_AUTHOR???           
Xu, Meng2, ???ENUM_CREATORROLE_AUTHOR???
Lin, Bin2, ???ENUM_CREATORROLE_AUTHOR???
Bodirsky, Benjamin Leon1, ???ENUM_CREATORROLE_AUTHOR???           
Xuan, Jiaqi2, ???ENUM_CREATORROLE_AUTHOR???
Dietrich, Jan Philipp1, ???ENUM_CREATORROLE_AUTHOR???           
Stevanović, Miodrag1, ???ENUM_CREATORROLE_AUTHOR???           
Bai, Zhaohai2, ???ENUM_CREATORROLE_AUTHOR???
Ma, Lin2, ???ENUM_CREATORROLE_AUTHOR???
Jin, Shuqin2, ???ENUM_CREATORROLE_AUTHOR???
Fan, Shenggen2, ???ENUM_CREATORROLE_AUTHOR???
Lotze-Campen, Hermann1, ???ENUM_CREATORROLE_AUTHOR???           
Popp, Alexander1, ???ENUM_CREATORROLE_AUTHOR???           
???ViewItemFull_lblAffiliations???:
1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 ???ViewItemFull_lblAbstract???: Reactive nitrogen (N) is a requisite nutrient for agricultural production, but results in greenhouse gas and air and water pollution. The environmental and economic impacts of N fertilizer use in China are particularly relevant, as China consumes the largest amount of N fertilizer in the world to meet its soaring food demand. Here, we use an agro-economic land system model (MAgPIE) in combination with a difference-in-differences econometric model to provide a forward-looking assessment of China’s fertilizer policies in terms of removing fertilizer manufacturing subsidies and implementing measures to improve agricultural nutrient management efficiency. Our model results indicate that enhancing soil N uptake efficiency and manure recycled to soil alongside fertilizer subsidy removal can largely reduce N fertilizer use and N losses and abate N pollution in the short and long term, while food security remains largely unaffected. Enhancing soil N uptake efficiency appears to be decisive to achieving China’s national strategic target of zero growth in N fertilizer use. This study also finds that improving agricultural nutrient management efficiency contributes to higher land productivity and less cropland expansion, with substantial benefits for the environment and food security.

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???ViewItemFull_lblLanguages???: eng - English
 ???ViewItemFull_lblDates???: 2022-05-242022-07-062023-01
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???ENUM_IDENTIFIERTYPE_PIKDOMAIN???: RD2 - Climate Resilience
???ENUM_IDENTIFIERTYPE_PIKDOMAIN???: RD3 - Transformation Pathways
???ENUM_IDENTIFIERTYPE_ORGANISATIONALK???: RD2 - Climate Resilience
???ENUM_IDENTIFIERTYPE_ORGANISATIONALK???: RD3 - Transformation Pathways
???ENUM_IDENTIFIERTYPE_WORKINGGROUP???: Land Use and Resilience
???ENUM_IDENTIFIERTYPE_RESEARCHTK???: Food & Agriculture
???ENUM_IDENTIFIERTYPE_RESEARCHTK???: Land use
???ENUM_IDENTIFIERTYPE_REGIONALK???: Asia
???ENUM_IDENTIFIERTYPE_MODELMETHOD???: MAgPIE
???ENUM_IDENTIFIERTYPE_OATYPE???: Hybrid Open Access
???ENUM_IDENTIFIERTYPE_DOI???: 10.1007/s11625-022-01189-w
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???ViewItemFull_lblSourceTitle???: Sustainability Science
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???ENUM_IDENTIFIERTYPE_PUBLISHER???: Springer