Fertilizers mobilization in alluvial aquifer: laboratory experiments M. Mastrocicco a , N. Colombani b# , S. Palpacelli b a Department of Earth Science, University of Ferrara, Ferrara, Italy b Department of Biology, University of Ferrara, Ferrara, Italy # Corresponding author: clo@unife.it, tel:0039/0532/974695 fax: 0039/0532/974767.