Arid
DOI10.12895/jaeid.20162.510
Modeling climate change impact on chickpea production and adaptation options in the semi-arid North-Eastern Ethiopia
Mohammed, Adem; Tana, Tamado; Singh, Piara; Molla, Adamu
通讯作者Mohammed, A
来源期刊JOURNAL OF AGRICULTURE AND ENVIRONMENT FOR INTERNATIONAL DEVELOPMENT
ISSN2240-2802
出版年2016
卷号110期号:2页码:377-395
英文摘要The semi-arid north-eastern Ethiopia region is characterized by low and variable rainfall. Terminal drought stress is the major constraint for chickpea production in this region. Climate change has also become one of important up growing issue as a consequence of the increasing concentration of greenhouse gases in the atmosphere. In the present study, we used CROPGRO-Chickpea model to evaluate climate change impact on chickpea production and adaptation options at two different locations. Based on the simulation result, chickpea grain yield is predicted to increase under the projected climate changes (temperature, rainfall and CO2) in 2030s and 2050s time periods for all climate scenarios. Accordingly, mean chickpea grain yield is predicted to increase at Sirinka by about 20% and 34% in 2030s and 2050s, respectively under all climate scenarios. On the other hand, the increase in mean chickpea grain yield at Chefa is predicted to be 12% and 22% across the respective time periods. Cultivars changes are predicted to significantly affect chickpea grain yield across the different time periods. Based on the result, short duration cultivar is found to increase grain yield at Sirinka by about 11%, 10% and 11% in the baseline, 2030s and 2050s, respectively, but decrease grain yield at Chefa by about 9%, 4% and 5%. On the other hand, long duration cultivar is predicted to decrease grain yield at Sirinka by about 6%, 9% and 11%, but increase grain yield at Chefa by about 1%, 2% and 4% across the respective time periods as compared to the standard (control) cultivar. The result also indicated that supplemental irrigation is found to increase grain yield of chickpea at Sirinka by about 48%, 46% and 46% in the baseline, 2030s and 2050s time periods, respectively whereas the increase in grain yield at Chefa is predicted to be 17%, 16% and 18% across the respective time periods. Therefore, grain yield of chickpea in semi-arid environments can be significantly increased using suitable cultivars and supplemental irrigation in the present and future climate conditions.
英文关键词climate change CROPGRO-Model drought semi-arid
类型Article
语种英语
收录类别ESCI
WOS记录号WOS:000391108600012
WOS关键词WATER-STRESS ; POTATO ; WHEAT ; YIELD
WOS类目Agronomy
WOS研究方向Agriculture
来源机构International Crops Research Institute for the Semi-Arid Tropics
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/331717
作者单位[Mohammed, Adem; Tana, Tamado] Haramaya Univ, Coll Agr & Environm Sci, Dire Dawa, Ethiopia; [Singh, Piara] Int Crop Res Inst Semi Arid Trop ICRISAT, Patancheru, Andhra Pradesh, India; [Molla, Adamu] Int Ctr Agr Res Dry Areas, Verdun, Lebanon
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Mohammed, Adem,Tana, Tamado,Singh, Piara,et al. Modeling climate change impact on chickpea production and adaptation options in the semi-arid North-Eastern Ethiopia[J]. International Crops Research Institute for the Semi-Arid Tropics,2016,110(2):377-395.
APA Mohammed, Adem,Tana, Tamado,Singh, Piara,&Molla, Adamu.(2016).Modeling climate change impact on chickpea production and adaptation options in the semi-arid North-Eastern Ethiopia.JOURNAL OF AGRICULTURE AND ENVIRONMENT FOR INTERNATIONAL DEVELOPMENT,110(2),377-395.
MLA Mohammed, Adem,et al."Modeling climate change impact on chickpea production and adaptation options in the semi-arid North-Eastern Ethiopia".JOURNAL OF AGRICULTURE AND ENVIRONMENT FOR INTERNATIONAL DEVELOPMENT 110.2(2016):377-395.
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