2008 Joint Meeting of The Geological Society of America, Soil Science Society of America, American Society of Agronomy, Crop Science Society of America, Gulf Coast Association of Geological Societies with the Gulf Coast Section of SEPM

Paper No. 16
Presentation Time: 8:00 AM-6:00 PM

Greenhouse Gas Emission in Dependence on Soil Structure, and Nitrogen and Carbon Availability


JARECKI, Marek K.1, PARKIN, Tim B.2, CHAN, Alvarus S.K.3, HATFIELD, Jerry L.2 and JONES, Ray4, (1)AgCert National Soil Tilth Lab, 2110 University Blvd, Ames, IA 50011, (2)National Soil Tilth Lab, 2110 University Blvd, Ames, IA 50011, (3)AgCert Services Inc, 1990 W. New Haven Ave. suite 205, Melbourne, FL 32 904, (4)AgCert Canada Co, 309 1st Street W, High River, AB, T1V 1M5, Canada, Marek.Jarecki@ars.usda.gov

Increasing of N input responds higher N2O emission. The magnitude of N2O increase is different in dependence of soil texture, dissolved organic carbon and rate of N input. Above relations will be investigated in the laboratory experiment.