Bursa Faculty of Forestry faculty member Assoc. Dr. Neşat Erkan's NELDER trial pattern was established in the Çanakkale Ezine Yenioba 3 afforestation area by Çanakkale forest management chief, forest engineer Ahmet Kara. This trial study will be monitored for 15 years to determine whether the 3 x 1 meter spacing distance we have started to implement is appropriate or the most appropriate planting spacing distance to obtain the highest efficiency from the unit area.