Greenhouse gas emissions from nitrogen fertilizer use in China |
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| Authors: | Fredrich Kahrl Yunju Li Yufang Su Timm Tennigkeit Andreas Wilkes Jianchu Xu |
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| Institution: | 1. Centre for Mountain Ecosystem Studies, Kunming Institute of Botany, 132 Lanhei Road, Heilongtan, Kunming 650204, China;2. Energy and Resources Group, University of California, 310 Barrows Hall, Berkeley, CA 94720, USA;3. World Agroforestry Centre, East Asia Office, 132 Lanhei Road, Heilongtan, Kunming 650204, China;4. Unique Forestry Consultants, Schnewlinstraße 10, 79098 Freiburg, Germany |
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| Abstract: | The use of synthetic nitrogen (N) fertilizers is an important driver of energy use and greenhouse gas (GHG) emissions in China. This paper develops a GHG emission factor for synthetic N fertilizer application in China. Using this emission factor, we estimate the scale of GHG emissions from synthetic nitrogen fertilizer use in Chinese agriculture and explore the potential for GHG emission reductions from efficiency improvements in N fertilizer production and use. The paper concludes with a discussion on costs and financing for a large-scale fertilizer efficiency improvement program in China, and how a GHG mitigation framework might contribute to program design. |
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