School of Resources and Environment, China Agricultural University, Beijing, China.
atmospheric N deposition; PM2.5 and non-point source pollution; NH3 mitigation and impacts on food securitly; ecosystem and human health.

Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China.

College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China.

Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad (UAF), 38000 Faisalabad, Pakistan.

Centre for Ecology & Hydrology, 999020 Edinburgh, UK.

School of Geography and Ocean Sciences, Nanjing University, Nanjing 210093, China.

Department of Plant Sciences, University of California, 90007 Los Angeles, USA.

Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China.
