Strengthening biological control activities on pests of coconut and other assigned plantation crops, Sri Lanka. Project findings and recommendations

agentes nocivos animal animal nuisible animales animales nocivos animals asia asie beverage crops biological control cocos nucifera crops cultivos economic plants facteur nuisible fibre crops fruit crops frutales industrial crops injurious factors insecte nuisible lutte biologique monocotyledons noxious animals nut crops oil crops organisme nuisible palmae palmas azucareras palmier sucrier pest control methods pest insects pests plagas plantas plantas azucareras plantas de nueces plantas industriales plantas oleaginosas plantas para bebidas plantas textiles plante plante de culture plante industrielle plante pour construction plants principes principes (ordre) sri lanka structural crops sugar crops sugar palms