1. Abuja Fertilizer Summit (2006) Abuja declaration on fertilizer for African Green Revolution. African Union Special Summit of the Heads of State and Government, Abuja
2. Benson T, Kaphuka J, Kanyanda S, Chinula R (2002) Malawi—an atlas of social statistics. International Food Policy Research Institute, National Statistical Office, Washington, DC, Zomba
3. Chambers R, Conway G (1992) Sustainable rural livelihoods: practical concepts for the 21st century. IDS discussion paper no. 296. Institute of Development Studies, Brighton, UK, pp 7–8
4. Crowley EL, Carter SE (2000) Agrarian change and the changing relationships between toil and soil in Maragoli, Western Kenya (1900–1994). Hum Ecol 28:383–414
5. Delve RJ, Huising JE, Bagenze P (2007) Target area identification using a GIS approach for the introduction of legume cover crops for soil productivity improvement: a case study eastern Uganda. Afr J Agric Res 10:512–520