Proceedings of the seminar [on the] production of seasonal teas in the Uva district [Sri Lanka]

alimentos arbustos ornamentales asia asie bebidas beverage crops beverages boisson camellia camellia sinensis crops cultivos dicotiledoneas dicotyledons economic plants foods ornamental plants ornamental shrubs parietales plantas plantas ornamentales plantas para bebidas plante plante de culture plante ornementale plants produit alimentaire te tea theaceae