Institut des Régions Arides (IRA), Route de Jorf, 4119 Medenine, Tunisia

International Center for Agricultural Research in the Dry Areas (ICARDA), P.O. Box 5466, Aleppo, Syria

Institut des Régions Arides (IRA), Route de Jorf, 4119 Medenine, Tunisia

Department of Agricultural and Biological Engineering, Purdue University, West Lafayette, IN 47907, USA

Department of Soil Management – International Centre for Eremology, Ghent University, Coupure links 653, 9000 Ghent, Belgium

Department of Soil Management – International Centre for Eremology, Ghent University, Coupure links 653, 9000 Ghent, Belgium