**Author details**

İrfan Oğuz1 , Ertuğrul Karaş2\*, Sabit Erşahin3 and Tekin Susam4

\*Address all correspondence to: ekaras@ogu.edu.tr

1 Department of Soil Science and Plant Nutrition, Faculty of Agriculture, University of Gaziosmanpaşa, Tokat, Turkey

2 Department of Biosystem Engineering, Faculty of Agriculture, University of Osmangazi, Eskişehir, Turkey

3 Department of Forest Engineering, School of Forestry, Çankiri Karatekin University, Çankiri, Turkey

4 Department of Geomatics Engineering, Faculty of Engineering and Natural Sciences, University of Gaziosmanpaşa, Tokat, Turkey
