1. Assistant Professor, Dept. of Irrigation and Drainage, Faculty of Agricultural Engineering, Sindh Agricultural Univ. Tandojam, Tandojam 71000, Pakistan (corresponding author).
2. Professor, Dept. of Biological and Agricultural Engineering, Faculty of Engineering, Univ. Putra Malaysia, Serdang 43400, Selangor, Malaysia.
3. Professor, Dept. of Irrigation and Drainage, Faculty of Agricultural Engineering, Sindh Agricultural Univ. Tandojam, Tandojam 71000, Pakistan.