Hazelnut fruit samples were collected over 2 years (2020 and 2021) subjected to four different drying temperatures (100, 120, 140, 160 °C) times of 15, 30, 45, 60 min using conduction drying. The analyses performed showed that at had a significant effect on the change in composition hazelnut shell fuel its mass properties. Comparing untreated two after drying, it can be seen 2020, treatment cau...