About the Author: Lluís M. Plà-Aragonès is an Associate Professor in the Department of Mathematics at the University of Lleida (UdL) and a Senior Researcher in the Animal Production Area at the UdL-IRTA Center. His research interests include operational research methods applied in agriculture and forest management, with special reference to simulation, dynamic programming, Markov decision processes and production planning. He coordinates the EURO working group called Operational Research in Agriculture and Forest management. He is also a member of INFORMS and EURO.