ارزﯾﺎﺑﯽ ﮐﯿﻔﯿﺖ ﻋﻠﻮﻓﻪ ارﻗﺎم ﺷﺒﺪر ﻗﺮﻣﺰ، ﺷﺒﺪر ﺳﻔﯿﺪ و ﻓﺴﺘﻮﮐﺎی ﺑﻠﻨﺪ ﮐﺸﺖ ﺷﺪه در ﻣﺮاﺗﻊ اﺳﺘﺎن ﻣﺎزﻧﺪران

Evaluation of forage quality in varieties of red clover, white clover and tall fescue cultivated in rangelands of Mazandaran province, Iran