Soil and Environment Research Institute Research Center 12112;
Higher Institute of Water Sciences and Techniques of Gabès of Gabès 6072;
Institute of Arid Regions 4119;
Crop Science Department of Agriculture University 22516;
Land and Water Technologies Department Lands Cultivation Research Institute of Scientific Research and Technological Applications Borg El-Arab 21934;
Indian Council of Agricultural Research(ICAR)-Indian Agricultural Research Institute(IARI) Delhi 110012;
United States Department of Agriculture(USDA)-Agricultural Research Services(ARS) Science Research Unit Carolina 27607;
Natural Resources and Agricultural Engineering Department of Agriculture University 22516;
drainage ratio; nitrate loss; water use efficiency; YIELD; soil salinity; Nile River delta;