1. Department of Soil Science and Plant Nutrition, Faculty of Agriculture, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
2. Department of Forest Engineering, Faculty of Forestry, Duzce University, Duzce, Turkey
3. Vocational School of Food and Agriculture, Department of Crop and Animal Production, Kocaeli University, Kocaeli, Turkey
4. Cilimli Vocational School, Department of Crop and Animal Production, Duzce University, Duzce, Turkey