Article ; Online: Reforming China’s fertilizer policies: implications for nitrogen pollution reduction and food security [Correction: Jan. 2023, 18(1), p. 421-424]
Sustain Sci. 2023 Jan., v. 18, no. 1, p. 407-420
2023 , Page(s) 407–420
Abstract: 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 ... ...
| Abstract | 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. |
|---|---|
| Keywords | air ; cropland ; econometric models ; fertilizer application ; food security ; greenhouse gases ; land productivity ; nitrogen ; nitrogen fertilizers ; nutrient management ; soil ; water pollution ; China |
| Language | English |
| Dates of publication | 2023-01 |
| Size | p. 407-420 |
| Publishing place | Springer Japan |
| Document type | Article ; Online |
| ZDB-ID | 2260333-5 |
| ISSN | 1862-4057 ; 1862-4065 |
| ISSN (online) | 1862-4057 |
| ISSN | 1862-4065 |
| DOI | 10.1007/s11625-022-01189-w |
| Database | NAL-Catalogue (AGRICOLA) |
More links
Kategorien
Order via subito
This service is chargeable due to the Delivery terms set by subito. Orders including an article and supplementary material will be classified as separate orders. In these cases, fees will be demanded for each order.