1Anderson I C and Poth M A. Controls on fluxes of trace gases from Brazilian cerrado soils[J]. J Environ Qual,1998, 27(5): 1117- 1124.
2Bremner J M. Sources of nitrous oxide in soils[J]. Nutr Cycl Agroe- cosys, 1997, 49:7- 16.
3Simona Castaldi. Responses of nitrous oxide, dinitrogen and carbon dioxide production and oxygen consumption to temperature in forest and agricultural light- texture soils determined by model experiment[J]. Biol Fertil Soils,2000, 32:67- 72.
4Taverns R J S, Laughlin R J, Malone J P. Soil pH affects the process reducing nitrate to nitrous oxide and di- nitrogen[J].Soil Boil Biochem, 1998, 30:1119- 1126.
