Preliminary report of the senior adviser of the Inter-American Institute of Agricultural Sciences, Turrialba

agricultural economics animal production apprenticeship apprentissage aprendizaje ciencias forestales costos costs cultivos alimenticios curriculum docentes enseignant food crops foresterie forestry formation gobierno gouvernement government higher education institution de recherche pastizales pastures plan de estudio plante alimentaire production animale programme d'enseignement programme de formation projet de recherche research institutions research projects sol tropical suelo tropical teachers training training programmes tropical soils tropical zones zona tropical zone tropicale