توان ﮐﻨﺘﺮﻟﯽ ﮐﺸﺖ ﻣﺨﻠﻮط ذرت و ﺳﻮﯾﺎ ﺑﺮ ﻋﻠﻒﻫﺎی هرز در ﺷﺮاﯾﻂ ﻣﺘﻔﺎوت آﺑﯿﺎری در ﻣﻨﻄﻘﻪ زﻧﺠﺎن

Potential of maize and soybean intercropping to weeds control at different irrigation condition in Zanjan region