Review: Rainwater harvesting technology practices and implication of climate change characteristics in Eastern Ethiopia
2020
Tasisa Temesge Tolossa | Firew Bekele Abebe | Anteneh Abebe Girma
Rainwater harvesting has been known and widely practiced for many centuries, especially during the dry season for a different purpose. The increase of agricultural economy of the country is extremely exposed to weather and climate effects. Decrease of crop production in dry areas is linked to the water (runoff, evaporation and overindulgence use). The objective of this manuscript is to review the status of rainwater harvesting (RWH) technology and practices in sustaining agricultural production in Ethiopia. The in-situ and ex-situ RWH techniques have shown a significant impact on improved soil moisture, runoff and ground water recharge and increased agricultural production, which, in turn, reduce risks and deliver positive impacts on other ecosystems. The implementation of thousands of indicated above structures has been also confined with a range of problems and challenges. In the eastern part of Ethiopia, water shortage and lack of improved technology were the main problems, therefore practicing water harvesting and supplying improved water harvesting technologies providing extended service regularly for farmers should be practiced in the future. Therefore, from the point of view of water conservation, both internal and external catchment-based RWH had the eminent potential of mitigating rainfall-related crop production risks.
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