Scientific Publication
Linking soil fertility and improved cropping strategies to development interventions. Biophysical survey
Ndufa, J.K., Wasonga, D., Maina, P., Poulton, C. and Cadisch, G. 2005. Biophysical survey. Annex C of the Final Technical Report of project R7962. London: Imperial College London and Kisumu, Kenya: KEFRI. 35 pp