1Bouwman A. 2001. Global Estimates of Gaseous Emissions From Agricultural Land [R] .Rome: FAO.
2Mosier A R, Duxbury J M, Freney J R, et al. 1998, Mitigating agricul- tural emissions of methane [J] .Clim. Change 40: 39-80.
3Smith, K A & Conen, F.2004, Impacts of land management on fluxes of trace greenhouse gases [ J] .Soil Use Manage, 20, 255-263.
4Oenema O, Wrage N, Vehhof G L, van Groenigen J W, et al.2005, Trends in global nitrous oxide emis- sions fn}m animal production systems [J] .Nutr.Cycl.Agroecosyst, 72, 51- 65.
6USEPA.2006.Global Anthropogenic Non-CO_, Greenhouse Gas Emis- sions : 1990-2020 (EPA 430-R- 06-003) .United States Environmen- tal Protection Agency, Washing- ton, DC.
7Smith, et al.2007, Policy and tech- nological constraints to implementa- tion of greenhouse gas mitigation op- tions in agriculture [J] .Agriculture, ecosystems&Environment, 118: 6 - 28.
8USEPA. 2006. Global Anthropogenic Non-CO2 Greenhouse Gas Emissions: 1990-2020 ( EPA 430 -R -06 - 005) .United States Environmental Protection Agency, Washington, DC.
