Simulation of carbon and nitrogen dynamics in arable soils: a comparison of approaches B. Gabrielle 1,* , B. Mary 2 , R. Roche 1 , P. Smith 3 ,G. Gosse 1 1: Institut National de la Recherche Agronomique, Unit´ e Environnement grandes cultures, Thiverval-Grignon, France 2: Institut National de la Recherche Agronomique, Unit´ e d’Agronomie, rue Fernand Christ, 02007 Laon, France. 3: Department of Plant and Soil Science, University of Aberdeen, UK. * Corresponding author: UMR INRA-INA Environnement et Grandes Cultures, 78850 Thiverval-Grignon, France. E-mail: Benoit.Gabrielle@grignon.inra.fr Fax: (+33) 1 30 81 55 63 Phone: (+33) 1 30 81 55 55 Article publihsed in the European Journal of Agronomy 12/2002; 18(1):107-120. DOI:10.1016/S1161-0301(02)00099-0