ﻋﮑﺲ اﻟﻌﻤﻞ ﺻﻔﺎت ﮐﯿﻔﯽ، درﺻﺪ و ﻋﻤﻠﮑﺮد ﭘﺮوﺗﺌﯿﻦ ﺳﯿﺐ زﻣﯿﻨﯽ رﻗﻢ آﮔﺮﯾﺎ ﺑﻪ ﺳﻄﻮح ﻣﺨﺘﻠﻒ ﮐﻮد ﻧﯿﺘﺮوژن و اﻧﺪازه ی ﻏﺪه

Reaction of qualitative traits, protein content and yield of potato (cv. Agria) to different nitrogen fertilizer levels and tuber size