The Instituto Superior de Agronomia (School of Agronomy) of the University of Lisbon (ISA), Portugal, has Interest in improving agronomic practices that reduce nitrogen losses to water and air and in the synthesis and translation of evidence to support practice improvement and the policy development. Will contribute to the development of optimized approaches for N management (Activity 2.3) and support the European regional demonstrations. Co-chair of the UNECE Task Force on Reactive Nitrogen.