ارزﯾﺎﺑﯽ ارﻗﺎم ﯾﻮﻧﺠﻪ ﮔﺮﻣﺴﯿﺮی از ﻟﺤﺎظ ﺗﻮﻟﯿﺪ ﻋﻠﻮﻓﻪ و ﻣﯿﺰان ﻧﯿﺘﺮوژن در ﭼﯿﻦ ﻫﺎی ﻣﺨﺘﻠﻒ

Evaluation of tropical alfalfa cultivars of forage production and nitrogen content at different cut