Performance Evaluation of Field Water Application at Tendaho Sugar Estate, Ethiopia

Shonka, Tadesse Gobena; Gullie, Guchie

doi:10.4172/2168-9768.1000199

Cited by 1 publication

(3 citation statements)

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“…Beshir and Awulachew [7] showed that IAE ranged between 25 and 50% for surface irrigation schemes. However, higher IAE (56%) is reported by Shonka [26] for a sugar farm in Ethiopia. Causes of differences in IAE are not well explained in the literature.…”

Section: Introductionmentioning

confidence: 78%

“…The few available studies reported that application efficiency in most irrigation schemes in Ethiopia is poor. The IAE of Tendaho Sugar state farm is only 56.57% [26]. Bekele and Tilahun [5] reported that 32-70% of the applied irrigation water is lost due to groundwater percolation in a small-scale irrigation scheme in eastern part of Ethiopia.…”

Section: Discussionmentioning

confidence: 99%

“…Horst et al [17] reported that changes in irrigation cutoff times can lead to significant reduction in water losses of up to 150-200 mm/year. Farmers' practices also affect irrigation efficiencies since farmers do not follow consistent irrigation application practices and often prefer to over-irrigate by frequently irrigating with long application durations if water is available [17,26,29].…”

Section: Introductionmentioning

confidence: 99%

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Evaluating irrigation scheduling and application efficiency: baseline to revitalize Meki-Ziway irrigation scheme, Ethiopia

et al. 2020

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Irrigation scheduling and application efficiency were evaluated for Meki-Ziway irrigation scheme in an overall effort to revitalize the scheme. The evaluation was done on three furrows in each of the four farm plots. Field capacity, permanent wilting point and bulk density of the four plots were determined in the laboratory. We monitored furrow inflow rate, cutoff time and soil moisture content in the plots over a period of about 4 weeks. This monitoring was done during both periods of water availability and water scarcity. Our results show that on average 58% (range 42-77%) of the applied irrigation water in this scheme can be considered beneficial for crop growth. The results also show that soil moisture content at farm plots at the canal head sections was always between soil saturation level and permanent wilting point. For farm plots along the middle and tail sections of the main canal, soil water content would even fall below the permanent wilting point. This was caused by the absence of a water allocation system to ensure equity, and by large, channel seepage losses along the unlined main canal. To improve irrigation efficiency therefore, rehabilitation of the physical infrastructure of the scheme, more equitable irrigation water distribution in the scheme and improvement in on-farm irrigation water management are needed.

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Section: Introductionmentioning

confidence: 78%

Section: Discussionmentioning

confidence: 99%