Kanagaratnam, P.Jayakody, D.M.2014-06-032014-06-031988Coconut Bulletin, 5(2):p.15-16https://dl-cri.nsf.gov.lk//handle/1/3294Pests and Pest ControlPest ControlChemical controlNutrient requirementsSoil nutrient statusChemical ControlNutrient requirementsChemical controlTrunk injection of systemic insecticides