1. University of Reims Champagne-Ardenne; GEGENAA- EA 3795 51100 Reims France
2. Bioemco, CNRS, UPMC (UMR 7618 CNRS-UPMC-ENS-UPEC-IRD-AgroParisTech); 78850 Thiverval-Grignon France
3. BRGM, DRP; 3, avenue Claude-Guillemin 45060 Orléans France
4. PICAR-T UP 2012-10-103; Institut Polytechnique LaSalle Beauvais; 60026 Beauvais cedex France