Co-benefits for cropland yield, nitrogen emissions, and climate impact through multi-objective optimization agricultural manure solutions
文献类型： 外文期刊
作者： Yin, Yinghua 1 ; Guo, Shufang 2 ; Xu, Qiyu 1 ; Liu, Jian 3 ; Wang, Hongyuan 1 ; Zhuang, Yanhua 4 ; Wang, Zhen 5 ; Hua, Lingling 6 ; Liu, Hongbin 1 ; Zhai, Limei 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, State Key Lab Efficient Utilizat Arable Land China, Key Lab Nonpoint Source Pollut Control,Minist Agr, Beijing, Peoples R China
2.Yunnan Acad Agr Sci, Inst Agr Environm & Resources, Kunming, Peoples R China
3.Norwegian Inst Bioecon Res NIBIO, Dept Soil & Land Use, As, Norway
4.Chinese Acad Sci, Innovat Acad Precis Measurement Sci & Technol, Wuhan, Peoples R China
5.Huazhong Agr Univ, Coll Resources & Environm, Wuhan, Peoples R China
6.Beijing Univ Agr, Coll Biosci & Resources Environm, Beijing, Peoples R China
期刊名称：NATURE COMMUNICATIONS （ 影响因子：15.7； 五年影响因子：17.2 ）
ISSN：
年卷期： 2025 年 16 卷 1 期
页码：
收录情况： SCI
摘要： Optimizing manure use and reducing chemical fertilizers are crucial for achieving the Sustainable Development Goals. However, optimal manure redistribution for cropland yield, nitrogen emissions, and greenhouse gas benefit remains unclear at large spatial scales. Here, we employed genetic algorithms and meta-analysis to obtain an optimal substitution rate for major crops in China. This could reduce synthetic nitrogen use and reactive nitrogen pollution by 13.3 and 2.0 Tg, cut ammonia and nitrous oxide emissions by 15.6% and 16.2%, and lower nitrogen runoff and leaching by 32.9%. The yield of eight major upland crops could be increased by 2.0-19.5%. The strategy involves relocating about 255 million pig equivalents, with 32.3% moved across provinces, mainly from central to northern and northeastern China. An estimated US$6.1 billion investment in livestock relocation could yield US$25.9 billion in benefits.
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