Agrarian change and the changing relationships between toil and soil in Maragoli, Western Kenya (1900-1994)
Profitability of agro-forestry based soil fertility management technologies : The case of small holder food production in Western Kenya
Avances en la investigación de atributos de adaptación de plantas forrajeras a suelos ácidos de baja fertilidad
Cassava agronomy research and adoption of improved practices in Thailand: Major achievements during the past 35 years
Tropical grasses and legumes: Optimizing genetic diversity for multipurpose use Annual report 1997 Project IP-5
Workshop on Soil Fertility Research for Bean Cropping Systems in Africa (1988, Addis Ababa, Ethiopia). Proceedings
Model-based assessment of soil organic carbon dynamics and potentials for carbon sequestration under integrated soil fertility management and conservation agriculture in Western Kenya
Recursos de tierras, suelos y su manejo en la región amazónica: Informe acerca del estado de conocimientos
Improving efficiency in calcium acquisition and utilization by forage grasses and legumes: special project funding
Msimu wa Kupanda : Targeting resources within diverse, heterogeneous and dynamic farming systems of East Africa. Thesis (Ph.D.)
An ecoregional framework for bean germplasm development and natural resources research: Documento de trabajo, anexo del taller de mejoramiento de frijol, octubre 1991
Nutrient management and spatial variability of soil across scales and settlement schemes in Zimbabwe. Thesis (Ph.D.)
Assessing and improving organic matter, nutrient dynamics and profitability of smallholder farms in Ethiopia and Kenya: proof of concept of using the whole farm model FarmDESIGN for prioritization of GIZ development interventions