Senior Irrigation Researcher, Melkassa Agricultural Research Center, Ethiopia

Robel Admasu, Abraham W Michael and Tilahun Hordofa
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Robel Admasu: Irrigation Researcher, Jimma Agricultural Research Center, Ethiopia
Abraham W Michael: Bio-System and Environmental Engineering, Hawassa University, Ethiopia
Tilahun Hordofa: Senior Irrigation Researcher, Melkassa Agricultural Research Center, Ethiopia

International Journal of Environmental Sciences & Natural Resources, 2019, vol. 16, issue 4, 83-87

Abstract: Presently and in the future, irrigated agriculture faces water scarcity. Irrigation management will shift from emphasizing productivity per unit area to maximizing the production per unit of water consumed. Field experiment was carried out to determine the water use efficiency of maize under moisture stress condition and to identify the critical depth of application with limited effect on yield. The experiment was conducted at Awash Melkassa agricultural research center farm. The experiment was carried out in RCBD with three replications. Treatments include seven moisture stress levels and a control treatment (full irrigation, 85 ETc, 75 ETc, 65 ETc, 55 ETc, 45 ETc, 35 ETc and 25 ETc). The different levels of irrigation had a highly significant (p>0.01) effect on maize grain yield, above ground biomass yield and harvest index. The highest grain yield was obtained from full irrigation (5524.8 Kg/ha) which was not significantly different with 85 ETc application (5206.5 Kg/ha). In terms of water productivity, 25 ETc gives the highest water productivity and significantly different to all other treatments.

Keywords: earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals; juniper publishers reivew (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:adp:ijesnr:v:16:y:2019:i:4:p:83-87

DOI: 10.19080/IJESNR.2019.16.555945

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