1. Kawa A. Ali:
Field Crop Department, College of Agricultural Engineering Sciences,
Salahaddin University, Erbil, Iraq
2. Sazar S. Noraldeen:
Department of Horticulture, College of Agricultural Engineering Sciences, Salahaddin University, Erbil, Iraq
3. Arshad A. Yaseen:
Department ofHorticulture, College of Agricultural Engineering Sciences, Salahaddin University, Erbil, Iraq; University of Debrecen, Faculty of Agricultural and Food Sciences and Environmental Management, Institute of Horticultural Science, H-4032 Debrecen, Boszormenyi Street 138, Hungary.