اثر محلول پاشی روی و ﻣﻨﮕﻨﺰ ﺑﺮ رواﺑﻂ ﺑﯿﻦ ﻋﻤﻠﮑﺮد و اﺟﺰای ﻋﻤﻠﮑﺮد ﮔﻠﺮﻧﮓ در ﻧﻈﺎم ﻫﺎی ﻣﺨﺘﻠﻒ زراﻋﯽ

Effect of Zn and Mn foliar application on yield and yield components relations of safflower under different cropping systems