تاثیر تراکم بوﺗﻪ و ﻓﺎﺻﻠﻪ ردﯾﻒ ﮐﺎﺷﺖ ﺑﺮ ﻋﻤﻠﮑﺮد و اﺟﺰاء ﻋﻤﻠﮑﺮد ﺳﻮﯾﺎ ﺗﺤﺖ رﻗﺎﺑﺖ ﺑﺎ ﻋﻠﻒ ﻫﺎی ﻫﺮز

Effect of plant density and row spacing on yield and yield components of soybean under weed competition