ﺑﺮرﺳﯽ اﺛﺮ ﺗﺎرﯾﺦ ﮐﺎﺷﺖ ﺑﺮ ﻋﻤﻠﮑﺮد و اﺟﺰای ﻋﻤﻠﮑﺮد ارﻗﺎم ﻣﺘﻮﺳﻂ رس و دﯾﺮرس ﺟﺪﯾﺪ ذرت داﻧﻪ ای

Effect of planting date on yield and yield components of new mid and late maturing of maize cultivars