5Hoffmann,Ulrich.Promoting Poles of Clean Growth to Foster the Transition to a More Sustainable Economy UNCTAD Trade and Environment Review. http://ssrn.com/abstract=1564069 . 2009
6IPCC.Climate change 2007:the fourth assessment report of the intergovernmental panel on climate change. . 2007
9Paustian, K. ,C. V. Cole,D. Sauerbeck. CO2 mitigation by agriculture: An overview[J]. Climate Change, 1998, (1).
10West, T.O. , G. Marland. A synthesis of carbon sequestration, carbone missions, and net carbon flux in agriculture:Comparing tillage practices in the United States[J]. Agriculture Ecosystems and Environment, 2002, (1-3).
