ﺑﺮرﺳﯽ اﺛﺮ رﻗﻢ و ﺗﺎرﯾﺦ ﮐﺎﺷﺖ ﺑﺮ ﻋﻤﻠﮑﺮد و اﺟﺰای ﻋﻤﻠﮑﺮد ﮔﻨﺪم دﯾﻢ در ﻣﻨﻄﻘﻪ اردﺑﯿﻞ

Effect of cultivar and planting date on the yield and yield components of rainfed wheat in Ardabil region