ﺗﺄﺛﯿﺮ ﻧﯿﺘﺮوژن و ﭘﺮاﯾﻤﯿﻨﮓ ﺑﺬر ﺑﺎ ﺑﺎﮐﺘﺮیﻫﺎی ﻣﺤﺮک رﺷﺪ PGPR ﺑﺮﻋﻤﻠﮑﺮد داﻧﻪ وﺗﻮان ﻓﺘﻮﺳﻨﺘﺰی آﻓﺘﺎﺑﮕﺮدان

Effects of nitrogen and plant growth promoting rhizobacteria (PGPR) priming on grain yield and photosynthetic capacity of sunflower (Helianthus annus L.)