- Soils and Fertilizers – December 2005
- Will Formalising Property Rights Reduce Poverty? – January 2006
- Millennium Villages – the solution to African poverty? – June 2006
- Aid modalities to agriculture – the end of the SWAp? – November 2006
- Growth linkages in agriculture: single blueprint or multiple trajectories? – Dec. 2006
- Seasonality: four seasons, four solutions? – April 2007
- Low External Input and Sustainable Agriculture: Beyond the Hype? – November 2007
- Can Ethiopia Realise a Better Agriculture in its ‘Third Millennium’? The Role and Dilemma of Farm Prices – October 2007
- An African Green Revolution? Some personal reflections – October 2007
- Global Assessments and the Politics of Knowledge: Lessons from the International Assessment of Agricultural Science and Technology – April 2008
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