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Two sets of on-farm trials, each covering two years, were conducted in the northern Guinea savannah of Nigeria over the period 1999–2001, the objective being to compare integrated Striga hermonthica control measures (soybean or cowpea trap crops followed by maize resistant to Striga) with farmers...


Ellis-Jones, J.Schulz, S.Douthwaite, BoruHussaini, M.A.Oyewole, B.D.Olanrewaju, A.S.White, R.[An assessment of integrated Striga hermonthica control and early adoption by farmers in northern Nigeria]An assessment of integrated Striga hermonthica control and early adoption by farmers in northern Nigeria

Three case studies show that natural resource management (NRM) research aimed at sustainably improving the well-being of African small-holder farmers is complex, and that monitoring and evaluation (M&E) is an essential tool in coping with this complexity, supported by an ‘innovation systems’ view...


Douthwaite, BoruDelve, Robert J.Ekboir, Javier M.Twomlow, Stephen[Contending with complexity: The role of evaluation in implementing sustainable natural resource management]Contending with complexity: The role of evaluation in implementing sustainable natural resource management
Douthwaite, BoruBarr, AÁlvarez, S.[Characterisation of scaling out and scaling up networks of CPWF projects]Characterisation of scaling out and scaling up networks of CPWF projects

This paper evaluates the utility of the `learning selection' model of the early adoption process, based on a constructivist conceptual framework, to explain farmers' adoption and rejection of two soil-improving technologies alley farming and the use of Mucuna cover crops. The analysis showed th...


Douthwaite, BoruManyong, Victor M.Keatinge, J.D.H.Chianu, J.N.[The adoption of alley farming and Mucuna : Lessons for research, development and extension]The adoption of alley farming and Mucuna : Lessons for research, development and extension

The parasitic angiosperms, Striga hermonthica and S. gesnerioides, obligate root parasites endemic in sub-Saharan Africa, constitute severe constraints to cereal and legume production in West and Central Africa. Over the years, a range of effective component technologies has been identified for S...


Emechebe, A.M.Ellis-Jones, J.Schulz, S.Chikoye, D.Douthwaite, BoruKureh, I.Tarawali, G.Hussaini, M.A.Kormawa, P.M.Sanni, A.[Farmer perception of the Striga problem and its control in northern Nigeria]Farmer perception of the Striga problem and its control in northern Nigeria

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