methods, tools and examples for agriculture and environment /
Daniel Wallach, AGIR Agrosystèmes de développement territorial INRA, Toulouse, France; David Makowski, UMR agronomie, INRA AgroParisTech, Thiverval-Grignon, France; James W. Jones, Agricultural and Biological Engineering Department, University of Florida, Gainesville, Florida, USA; Francois Brun, ACTA-Réseau des Instituts des filières animales et végétales, Toulouse, France.