Articles | Volume 13, issue 12
Research article
17 Jun 2016
Research article |  | 17 Jun 2016

Ecological controls on N2O emission in surface litter and near-surface soil of a managed grassland: modelling and measurements

Robert F. Grant, Albrecht Neftel, and Pierluigi Calanca

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Cited articles

Ammann, C., Fléchard, C., Leifeld, J., Neftel, A., and Fuhrer, J.:. The carbon budget of newly established temperate grassland depends on management intensity, Agr. Ecosyst. Environ., 121, 5–20, 2007.
Ammann, C., Spirig, C., Leifeld, J., and Neftel, A.: Assessment of the nitrogen and carbon budget of two managed temperate grassland fields, Agr. Ecosyst. Environ., 133, 150–162, 2009.
Bessou, C., Mary, B., Léonard, J., Roussel, M., Gréhan, E., and Gabrielle, B.: Modelling soil compaction impacts on nitrous oxide emissions in arable fields, Eur. J. Soil Sci., 61, 348–363, 2010.
Betlach, M. R. and Tiedje, J. M.: Kinetic explanation for accumulation of nitrite, nitric oxide, and nitrous oxide during bacterial denitrification. Appl. Environ. Microb., 42, 1074–1084, 1981.
Chatskikh, D. D., Olesen, J. E., Berntsen, J., Regina, K., and Yamulki, S.: Simulation of effects of soils, climate and management on N2O emission from grasslands, Biogeochemistry, 76, 395–419, 2005.
Short summary
The magnitude of N2O emissions from managed grasslands depends on weather and on harvesting and fertilizer practices. Modelling provides a means to predict these emissions under diverse weather and management types. In this modelling study, we show that N2O emissions depend on how weather affects temperatures and water contents of surface litter and near-surface soil. N2O emissions modelled from the grassland were increased by suboptimal harvesting practices, fertilizer timing and soil properties.
Final-revised paper