[Agro-ecosystem ammonia emission in Sichuan-Chongqing region].

  title={[Agro-ecosystem ammonia emission in Sichuan-Chongqing region].},
  author={Fu-chun Li and Shen-hui Han and Jun Yang and Xin Zhang and Ru-yan Li and Yuan-song Wei and Mao-hong Fan},
  journal={Huan jing ke xue= Huanjing kexue},
  volume={30 10},
Ammonia (NH3) emission from agro-ecosystem in the Sichuan-Chongqing region during 1990-2004, was estimated by the regional nitrogen cycling model IAP-N. The county level agricultural activities data were used, and Sichuan-Chongqing region was divided into four sub-areas by the geographical characteristics , environment and local climatic conditions and administrative division. The results showed that average annual ammonia emissions (in nitrogen gauge) in 1990-1994, 1995-1999, 2000-2004 were… CONTINUE READING