United States Agency for International Developmen

Adimassu, Zenebe

Gebrekirstos, Aster

Gurmessa, Biyensa

Hagos, Fitsum

Haileslassie, Amare

Mekonnen, Kindu

Schmitter, Petra S.

Tamene, Lulseged

Woldearegay, K.

Yaekob, Tesfaye

Tamene, Lulseged D.

CGSpace

Soil and water managements and landscapes: Africa RISING science, innovations and technologies with scaling potential from the Ethiopian highlands Lulseged Tamene (CIAT), Petra Schmitter (IWMI), Kifle Woldearegay (MU), Biyensa Gurmessa (CIAT), Zenebe Adimassu (IWMI), Kindu Mekonnen (ILRI), Fitsum Hagos (IWMI), Tesfaye Yaekob (EIAR), Aster Gebrekirstos (ICRAF), Amare Haileslassie (IWMI)Key messages• Complementary LRWH technologies implemented across the landscape enhanced synergies and reduced trade-offs. (Fig. 1). • Reduction in soil loss and increase in baseflow due to LRWH interventions provide sustainable intensification options for dry season production.• Information on irrigation scheduling advice (e.g. WFD) increases crop & water productivity in the dry season (Fig. 1B).• Solar and service provision of water are feasible technologies for smallholder irrigation in the Ethiopian highlands.This poster is licensed for use under the Creative Commons Attribution 4.0 International Licence. January 2017We thank farmers and local partners in Africa RISING sites for their contributions to this research. We also acknowledge the support of all donors which globally support the work of the CGIAR centers and their partners through their contributions to the CGIAR systemObjectives and approach to improve sustainable system productivity across landscapes • Problem identification through participatory approaches with stakeholders • Biophysical and socio-economic gender disaggregated data collection during rainfed and irrigated cropping seasons• Seasonal feedback meetings and exchange visit with stakeholders• Evidence generation at different scales using different approaches (Fig. 2).• Comparison of technology performance against control/baselineKey results• Model estimation showed average soil loss of 15 t ha-1 year.• Terraces with trenches on cropland reduced runoff and soil loss by 44%  and 52%, respectively. • Integrated soil and water conservation practices at landscape level can reduce soil loss by over 80% and improve baseflow by 30%. • Vegetable yields increased by 55 %-83% with drip versus hoses or watering cans whilst access to irrigation advice increased vegetable yields by 20% & vetch yield by 50% (Table 1).• Solar & water provision are both economically feasible technologies.Significance and scaling potential• Implementing complementary technologies across the landscape continuum enhances synergies wile reducing tradeoffs.• Implementing technologies that provide economic, environmental and social benefits at household and community levels enhances adoption and out-scaling.• Climate smart interventions at landscape level both directly benefit communities and simultaneously provide ecosystem services and enhance options for dry season intensification.• The upscaling of solar pumps throughout the country is currently being explored by a private-public partnership whilst the scheduling advice is going to be used to update national ICT advice.Table 1: Comparison of the produces grown with different water liftingtechnologies (rope & washer (R&W), solar, tractor mounted pump) and irrigationscheduling (without (FP) and with (WFD)).WMYield (t ha-1)Control R&W Solar Tractor &dripFP FP WFD FP FPCabbage 40 ± 11a 41 ± 12a 48 ± 6ab 49 ± 4b 62 ± 4cCarrot 36 ± 8a 37 ± 10a 43 ± 7b 38 ± 10a 66 ± 5cOats1 - 6 ± 1a 7 ± 1ab 5 ± 1a -Oats2 - 13 ± 3a 13 ± 2a - -Vetch2 - 4 ± 2a 6 ± 1b - -A BFigure 1: (A) Integrated physical and biological options, (b) water harvesting for supplemental irrigation, (c) wetting front detector (WFD), (d) Solar pump irrigation of avocado38%18% 27%70% 76% 82%Slope > 20 %GullyGully 5m bufferHotspots >10 Slope + Hotspots All optionsBAUFigure 2: Evidence generation through simulating the impacts of different interventions in reducing sediment yield.Africa RISING in the Ethiopian HighlandsCore partners (a) (b)(c) (d)

Soil and water managements and landscapes: Africa RISING science, innovations and technologies with scaling potential from the Ethiopian highlands

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Soil and water managements and landscapes: Africa RISING science, innovations and technologies with scaling potential from the Ethiopian highlands

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