1. Ahmed S (1996) Agriculture-fertilizer interface in the Asian and Pacific Region: issues of growth, sustainability, and vulnerability. Extension Bulletin. Food and Fertilizer Technology Center, Taipei
2. Bouwman AFD, Lee S, Asman WAH, Dentener FJ, Van der Hoek KW, Olivier GJ (1997) A global high-resolution emission inventory for ammonia. Global Biogeochem Cycles 11:561–587
3. Brown LR (2001) Dust bowl threatening China’s future In: Brown LR, Flavin C, French H et al (eds) Worldwatch institute report, May 23. WW Norton & Company, New York
4. Bujidmaa B, Enkhman S (2005) The nitrogen component monitoring and emissions in Mongolia. In: Proceedings of the 3rd international nitrogen conference. Science Press, Monmouth Junction, New Jersey, USA, pp 721–724
5. Buresh R, Peng SB, Huang JL, Yang JC, Wang G.H, Zhong XH, Zou YB (2004) Rice systems in China with high nitrogen inputs. In: Mosier AR, Syers JK, Freney JR (eds) Agriculture and the nitrogen cycle. Island Press, Washington, DC, pp 143–153