Abstract
The study was carried out at the effect of drip and surface irrigation (Furrow irrigation) methods on onion and sesame crops from December 2011 to May 2012 in the Tigray region of Northwest Ethiopia. The objective was to evaluate the family drip irrigation system in comparison with furrow irrigation system in terms of irrigation water productivity (using 100% ETc for both commodities). The water saved in drip irrigation over furrow irrigation was found to be 33% for onion and sesame crops. The irrigation water productivity of onion was 0.9 kg/m3 and 0.55 kg/m3 under drip and furrow irrigation methods respectively. The irrigation water productivity of sesame was 0.14 kg/m3 and 0.045 kg/m3 under drip and furrow irrigation methods respectively.
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