Abstract
The shortage of electric power and high diesel cost have influenced the desires of irrigation systems. Instead of these types of pumping systems, the solar-powered water pump is respectable in socioeconomic and environmental points of view. Water scarcity during the dry season and traditional irrigation practice becomes a common challenge. The study was conducted in three districts of Hamer, Asaita and Afabo Woreda. The main objective of the study was to investigate and model a solar-powered pump drip irrigation system for establishing resilience livelihood in the water scarce and remote areas. The solar water pump systems are sized considering to irrigating one hectare of land with a maximum daily crop water requirement of 21.35 m3/day/0.5 ha (Keske) and 31.5m3/day/0.5 ha (Hinale and Humaydota) in 12-h irrigation and a total dynamic head of 14 m. The average solar power potential of Hamer is 0.72 kW/m2 and 0.57 kW/m2 in Asaita and Afabo areas. The major constraints of irrigation practices in the areas are water scarcity, market inaccessibility, inadequate technology, and agricultural imputes. Therefore, applying water-saving technology, supplying improved inputs, supporting Agro-pastoralists with training and extension services are required. Implementation of solar-powered pumps and drip irrigation technologies with reservoirs mainly in water-scarce and long dray season areas is necessary.
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