ارزﯾﺎﺑﯽ ﺧﺴﺎرت ﺗﮕﺮگ در ﻣﺮاﺣﻞ ﻣﺨﺘﻠﻒ رﺷﺪ ﺳﯿﺐ زﻣﯿﻨﯽ

Evaluation of hail damage at different growth stages of potato