Plan nacional para mejorar el manejo del cultivo de arroz en Colombia: Proyecto para reducir los costos de producción
La coleccion de Centrosema de CIAT: Datos de pasaporte basicos y distribucion geografica del germoplasma en la coleccion de CIAT
Diagnostico de la produccion de frijol en la Provincia de Chota, Departamento de Cajamarca, Peru, 1985
General combining ability in 80 small-seeded cultivars of common bean (Phaseolus vulgaris L.) for seed yield and its components
Climatic and edaphic classification at a continental scale (1:5,000,000) for cassava in South America
Hen manure as a fertilizer for common beans (Phaseolus vulgaris L.). Its costs and efficiency compared with those of a chemical fertilizer and a comparison of two common methods of applying hen manure & seeding bean seeds