1. Department of Biosystems Engineering, Faculty of Agriculture, Bu-Ali Sina University, Hamedan, Iran.
2. Department of Biosystems Engineering, Faculty of Agriculture and Natural Resources, University of Mohaghegh Ardabili, 59661-14477 Ardabil, Iran.
3. Moghan College of Agriculture and Natural Resources, University of Mohaghegh Ardabili, 56199-11367 Ardabil, Iran.