Research needs and methods for the use of fertilizers and soil amendments in bean-based cropping systems
El papel de INTSORMIL y de otros programas que apoyan la investigación, en la investigación internacional
El funcionamiento y evaluacion economica de las plantas de secado natural de yuca en la campana 1983-84
Influence of conservation tillage on soil microbial diversity, structure and crop yields in sub-humid and semi-arid environments in Kenya
Evaluation of farm-level impacts of soil fertility management strategies in maize-bean farming systems in Uganda and Tanzania