اﺛﺮ ﮐﺎرﺑﺮد ﺗﻠﻔﯿﻘﯽ ﮔﯿﺎه ﭘﻮﺷﺸﯽ ﻣﺎﺷﮏ و ﮐﻮد ﻧﯿﺘﺮوژﻧﻪ ﺑﺮ ﮐﻨﺘﺮل ﻋﻠﻒ ﻫﺎی ﻫﺮز در ﻣﺰرﻋﻪ ذرت

Effect of integrated application of vetch cover crop and nitrogen fertilizer on weed control inmaize field-