A spatialising tool to simulate pesticide fate in the unsaturated zone on a catchment scale Alessandro Esposito, Costantino Vischetti, Giuseppe Errera, Marco Trevisan, Luciano Scarponi, Michael Herbst, Michael Ciocanaru and Harry VereeckenAgron. Sustain. Dev., 25 2 (2005) 279-283DOI: https://doi.org/10.1051/agro:2005006