Hazelnut (Corylus avellna L.) is one of the important nut crops in world. The harvesting ofhazelnuts is done either by hand or by manual or mechanical raking of fallen nuts in Iran.Common hazel is widely cultivated for its nuts, including in commercial orchards in Europe,Turkey, and Iran. There are some genotypes of hazelnut in Iran that their growing areas arelimited to Gillan, Aredbil, Mazand...
