Document Type: Original Article

Authors

1 Department of Agronomy, Islamic Azad University, Karaj Branch, Karaj, Iran

2 Young Researchers and Elite Club, Karaj Branch, Islamic Azad University, Karaj, Iran

Abstract

Today climate change is one of the most important human concerns This fact affected human life in different ways .  one of the most important impacts of climate change is on crops yield so that change in temperature  regime  particularly maximum and minimum  temperatures  is noticeably change plants production . in this research , is considered to  impact of climate change on water requirement  and growth period length  of Sugar beet in Kermanshah province .it is used by climatic model outputs CGCM3 and HADcm3 named  scenario A2 . assessment of water requirement  is established by  Fao, Penman , Mantis equitation .for minimizing scales of climatic model outputs  of data was used SDSM .results showed that  by increasing of temperature resulting from climate change in the future , decreased growth period length  of Sugar beet.  Also water requirement  of Sugar beet in future period based on increasing temperature resulting from climate change is noticeably increased .

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