ارزﯾﺎﺑﯽ اﺛﺮات ﺗﺎرﯾﺦ ﻫﺎی ﻣﺨﺘﻠﻒ ﮐﺎﺷﺖ و رﻗﻢ ﺑﺮ ﻋﻤﻠﮑﺮد ﮐﻤﯽ و ﮐﯿﻔﯽ ﭘﻨﺒﻪ

Effect of different planting dates and cultivars on quantitative and qualitative yield of cotton