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Work package 1.1 Denitrification as model process for studying the importance of soil biodiversity to soil function and process

The process of denitrification in soil is the main source of N2O emission from soil, the other major gaseous product of this process being N2. There is an urgent need to reduce N loss through denitrification and, more specifically, to gain understanding of how the process may be manipulated by land management for reduced N2O/N2 ratio. A key focus of our research will be the initiation of a new and unique multidisciplinary project that will be studying the microbial diversity and function, carbon chemistry, soil architecture and N2O fluxes of 60-year old bare fallow, grass and arable soils on the Highfield Ley-Arable Experiment at Rothamsted, before and after changes of land use. Linked to WP4, we will also study the influence of antecedent soil moisture conditions as a controller of denitrification.

 

 

 

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