ﺑﺮرﺳﯽ ﻣﯿﺰان اﺛﺮ ﭘﺬﯾﺮی ﺷﺮاﯾﻂ رﻃﻮﺑﺘﯽ و ﺣﺮارﺗﯽ ﺧﺎک وﻋﻤﻠﮑﺮد ﭼﻐﻨﺪرﻗﻨﺪ از ﻧﻮع ﻣﺎﻟﭻ ﮔﯿﺎه ﭘﻮﺷﺸﯽ و زﻣﺎن ﺣﺬف آن

Affectability of soil moisture and thermal conditions and sugar beet yield of cover crops mulch type and their removal time