Abstract
Evaluation of irrigation schemes helps to know the present status of the scheme and to apply possible measures for improvement. Golda small scale irrigation scheme was found in Assosa, Benishangul Gumuz regional state, Ethiopia and had a service of six years. The performance of Golda Small Scale Irrigation Scheme had not been evaluated before this study. Therefore, this study was conducted to evaluate the scheme by considering on field water management performance. Primary data collected through field measurements and secondary data from different sources were used. Internal indicators were used for evaluating on field water management performance like conveyance efficiency, application efficiency, storage efficiency, distribution uniformity and deep percolation ratio. The result of conveyance efficiency, application efficiency, storage efficiency, distribution efficiency and deep percolation ratio, were 53%, 51.6%, 91.6%, 80.76% and 40% respectively. Generally, the scheme requires improvement measures.
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