Ms-No: Modelling radar backscatter from crops during the growth cycle G. Macelloni, S. Paloscia , P. Pampaloni , R. Ruisi . CNR- IROE, via Panciatichi 64, 50127 Florence, Italy, Fax: + 39 055 4235290, e-mail: giovanni@iroe.fi.cnr.it pampa@iroe.fi.cnr.it M. Dechambre , R. Valentin, CETP/CNRS/UVSQ, 10-12 Avenue de l'Europe,78140 Velizy, France Phone: (+33) 1 39 25 48 51 Fax: (+33) 1 39 25 48 72 e-mail: Monique.Dechambre@cetp.ipsl.fr A. Chanzy , L. Prévot , N. Bruguire. INRA Science du sol, Agroparc, 84914 Avignon Cedex 9, France Tel.: +33 4 3272 2211, Fax: +33 4 3272 2362, E-mail: achanzy@avignon.inra.fr Proofs and offprint requests should be sent to: Giovanni Macelloni CNR- IROE, via Panciatichi 64, 50127 Florence, Italy, Fax: + 39 055 4235290, e-mail: giovanni@iroe.fi.cnr.it