Diagnóstico de la problemática fitosanitaria del cultivo de tomate, con énfasis en mosca blanca, Bemisia tabaci (Gennadius)
Integrating improved germplasm and resource management for enhanced crop and livestock production systems: Project PE-5: Sustainable Systems for Smallholders: Annual Report 2000
Project IP-1 Bean Improvement for sustainable productivity input use efficiency, and poverty alleviation: Annual Report 2000
Ex ante analysis of new forage alternatives for farms with dual-purpose cattle in Peru, Costa Rica, and Nicaragua
Interacción entre genotipos de frijol y aislamiento de Rhizoctonia solani Kuhn, heredabilidad de la resistencia a la mustia hilachosa Thanatephorus cucumeris (Frank) (Donk) en cultivares y poblaciones F¹ y F² de frijol común Phaseolus vulgaris.
Pasture production, diet selection and liveweight gains of cattle grazing Brachiaria brizantha with or without Arachis pintoi at two stocking rates in the Atlantic zone of Costa Rica