Modeling current and future N2O emissions from agriculture in China and the effect of nitrification inhibitors

文献类型： 外文期刊

第一作者： Li, Yingchun

作者： Li, Yingchun;Lin, Erda;Winiwarter, Wilfried

作者机构：

关键词： GAINS;agriculture;N2O emissions;nitrification inhibitors

期刊名称：JOURNAL OF INTEGRATIVE ENVIRONMENTAL SCIENCES （ 影响因子：1.875； 五年影响因子：2.902 ）

ISSN： 1943-815X

年卷期： 2010 年 7 卷

页码：

收录情况： SCI

摘要： Based on the results of a livestock and crop production model, the GAINS model was applied to simulate agricultural N2O emissions in China. Data available from Chinese provinces were applied for a time horizon of 30 years from 2000 to 2030 with 5-year time steps. Results demonstrate an increasing trend of agricultural N2O emissions from 2000 to 2030 as a result of the increasing quantities of livestock and N-fertilizer use. Total agricultural N2O emissions in 2000 are 1533 kt N2O for an INMIC_central scenario, with an increase of 31% by 2030. N2O emissions from cropland are 1258 kt N2O in 2030, accounting for 80% of total agricultural N2O emissions, with an increase of 37%. N2O emissions from manure management only increased 3% by 2030. Agricultural N2O emissions mainly come from provinces including Shandong, Henan, Sichuan, Hebei, Jiangsu, Hunan, Yunnan, and Anhui. As a mitigation measure, nitrification inhibitors will reduce agricultural N2O emissions by 4-16%.

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