31 Ferrara, R. M Gianfranco, R Pelumbo, A.D Martinelli, N Di Tommasi, P Magliulo, E Bertolini, T Mastrangelo, M. 2009 Ammonia volatilization from urea application under Mediterranean climate. Connecting different scales of nitrogen use in agriculture Turyn 28th June 2009 978-88-902754-2-5