Adapting participatory research methods for developing integrated crop management for cassava-based systems, Northeast Brazil
Aggregation studied by laser diffraction in relation to plowing, soil organic matter, and lime in the Brazilian cerrados
Farmers` independent experimentation with green manure and/or cover crops: a component of participatory research for improving Ugandan farming systems
Designing sustainable, commercial, farmer seed production systems in Africa: case studies from Uganda
Developing a natural resource management technology for a specific agroenvironment: Mucuna-maize rotation on the hillsides of northern Honduras
Sistemas agropastoriles en las sabanas de América Tropical: lecciones del desarrollo agrícola de los Cerrados de Brasil
El mejoramiento genético de la habichuela en América Latina: memorias de un taller, CIAT, Cali, Colombia, 11 al 15 de mayo de 1987
Metodologia de seleccion por eficiencia en el uso del fosforo y por tolerancia a la toxicidad del aluminio y del manganeso en el frijol (Phaseolus vulgaris L.)