1. Professor, Dept. of Soils, Water and Agricultural Engineering, Sultan Qaboos Univ., P.O. Box 34, Muscat, Al-Khoud 123, Oman (corresponding author). ORCID: .
2. Ph.D. Student, Dept. of Soils, Water and Agricultural Engineering, Sultan Qaboos Univ., P.O. Box 34, Muscat, Al-Khoud 123, Oman.
3. Lecturer, Dept. of Soils, Water and Agricultural Engineering, Sultan Qaboos Univ., P.O. Box 34, Muscat, Al-Khoud 123, Oman.
4. Associate Professor, Dept. of Soils, Water and Agricultural Engineering, and Water Research Centre, Sultan Qaboos Univ., P.O. Box 34, Muscat, Al-Khoud 123, Oman.