ﺑﺮرﺳﯽ ﻣﯿﺰان ﺗﺸﻌﺸﻊ درﯾﺎﻓﺘﯽ ﺗﺎج ﭘﻮﺷﻪ ذرت در ﺳﯿﺴﺘﻢ ﺑﺴﺘﺮ ﺑﺬر دروﻏﯿﻦ

Study of absorbed radiation rate of maize canopy in stale-seedbed system