1. Assistant Professor, Dept. of Natural Resources and Agricultural Engineering, Faculty of Agriculture, Damanhour Univ., Elbhera 22516, Egypt (corresponding author).
2. Assistant Professor, Dept. of Natural Resources and Agricultural Engineering, Faculty of Agriculture, Damanhour Univ., Elbhera 22516, Egypt.
3. USDA-ARS Plant Physiologist, Plant Science Research Unit, 3127 Ligon St., Raleigh, NC 27607.