Seed potato production project - Sri Lanka. Consultancy visit from January 4-20, 1982

almacenamiento asia asie commercialisation crops cultivos economic plants economic sectors hortalizas (plantas) industria industria de semillas industrie industrie des semences industry marketing mercadeo oferta offre papa plantas plantas feculentas plante plante de culture plante racine plants pomme de terre potatoes production de semences root crops root vegetables secondary sector secteur secondaire sector secundario seed industry seed production starch crops stockage storage supply vegetable crops