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This paper provides details of soil and water conservation (SWC) investments in Ethiopia over the past 20 years. It presents SWC practices and estimates the level of SWC investments in different regions. The paper focuses on four principal agricultural regions: Amhara, Oromia, SNNPR and Tigray. P...


Adimassu, ZenebeLangan, SimonBarron, Jennie[Highlights of soil and water conservation investments in four regions of Ethiopia]Highlights of soil and water conservation investments in four regions of Ethiopia

Lowland rice production in sub-Saharan Africa (SSA) is often limited by water supply and low phosphorus (P) availability and efforts are needed towards more efficient management of both resources. Field and pot experiments were set up to evaluate combinations of water saving technologies and micr...


Bauw, P. deVandamme, E.Senthilkumar, K.Lupembe, A.Smolders, E.Merckx, R.[Combining phosphorus placement and water saving technologies enhances rice production in phosphorus-deficient lowlands]Combining phosphorus placement and water saving technologies enhances rice production in phosphorus-deficient lowlands

Donor and governmental sponsored soil and water conservation measures has been carried out in the last half century in the Lake Tana basin, Ethiopia. However, sediment loads in to the lake has never been reduced suggesting that the effectiveness of integrated soil and water conservation measures ...


Tadesse, A.Dagnew, D.C.Belete, M.A.Tilahun, Seifu A.Mekuria, Wolde M.Steenhuis, Tammo S.[Impact of soil and water conservation practices on sediment losses and discharge in the headwaters of the Lake Tana Basin in the Ethiopian highlands [Abstract only]]Impact of soil and water conservation practices on sediment losses and discharge in the headwaters of the Lake Tana Basin in the Ethiopian highlands [Abstract only]

Intense rainfall/runoff events produce large proportion of suspended sediment concentrations and sediment load responses. With an aim to mitigate land degradation problems in Ethiopia, soil and water conservation projects are being massively implemented. The effect of these conservation measures ...


Dagnew, D.C.Guzmán, Christian D.Tebebu, Tigist Y.Zegeye, Assefa D.Akal, Adugnaw T.Mekuria, Wolde M.Ayana, Essayas K.Tilahun, Seifu A.Steenhuis, Tammo S.[Contributions of peak sediment events to annual loads and the effects of best management practices on peak loads in the sub-humid Ethiopian highlands: the Debre Mawi watershed [Abstract only]]Contributions of peak sediment events to annual loads and the effects of best management practices on peak loads in the sub-humid Ethiopian highlands: the Debre Mawi watershed [Abstract only]
Tesema, M.Schmitter, Petra S.Nakawuka, ProssieTilahun, Seifu A.Steenhuis, Tammo S.Langan, Simon J.[Evaluating irrigation technologies to improve crop and water productivity of onion in Dangishta watershed during the dry monsoon phase]Evaluating irrigation technologies to improve crop and water productivity of onion in Dangishta watershed during the dry monsoon phase

Soil water management is critical for sustainable crop production, particularly in drought-prone environments. A range of strategies can be used to address spatial (need to improve in-situ infiltration) and temporal (need to improve water holding capacity /storage) to increase soil water availabi...


Kadyampakeni, Davie M.Ellis, TimSidibe, Yoro[Evaluating seasonal soil water dynamics using a simple soil water balance model in northern Ghana]Evaluating seasonal soil water dynamics using a simple soil water balance model in northern Ghana
Cofie, Olufunke O.Amede, Tilahun[Managing rainwater and small reservoirs in Sub-Saharan Africa]Managing rainwater and small reservoirs in Sub-Saharan Africa
Kakumanu, Krishna ReddyTesfai, M.Borrell, A.Nagothu, U. S.Reddy, S. K.Reddy, G. K.[Climate smart rice production systems: studying the potential of alternate wetting and drying irrigation]Climate smart rice production systems: studying the potential of alternate wetting and drying irrigation

The Challenge Program on Water and Food pursues food security and poverty alleviation through the efforts of some 50 research-for-development projects. These involve almost 200 organizations working in nine river basins around the world. An approach was developed to enhance the developmental impa...


Douthwaite, BoruÁlvarez, S.Cook, Simon E.Davies, R.George, P.Howell, JMackay, R.Rubiano Mejía, Jorge Eliécer[Participatory impact pathways analysis : A practical application of program theory in research-for-development]Participatory impact pathways analysis : A practical application of program theory in research-for-development

This Research Report chronicles the evolution of thinking on water productivity in the research agenda of IWMI and in the broader irrigation literature over the past 20 years. It describes the origins of the concept and the methodological developments, its operationalization through applied resea...


Giordano, Meredith A.Turral, H.Scheierling, S.M.Treguer, D.O.McCornick, Peter G.[Beyond “More Crop per Drop”: evolving thinking on agricultural water productivity]Beyond “More Crop per Drop”: evolving thinking on agricultural water productivity

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