Denitrification in Agricultural Soils:
Integrated control and Modelling at various scales (DASIM)

15N gas flux method 15N tracing Agrobacterium tumefaciens anoxic aggregate centers climate change CO2 correlative imaging decomposition denitrification denitrification potential denitrification product ratio extreme rainfall field measurement greenhouse gas hot spot in situ technique isotopes isotopic model isotopocules litter macropores maize method development microsites modelling MOM N losses N transformations N2 N2O N2O reduction natural abundance nitrite nitrogen cycling nitrous oxide NO Ntrace O2 organic carbon paddy soil plant-specific N preferences Rayleigh type model review Silphium perfoliatum L. site preference soil drying stable isotopes water-filled pore space WEOC X-ray tomography