Keerthi, S.M.G.S.Wanigasundara, W.A.D.P.Appuhamy, P.A.H.N.Gunawardane, A.M.A.P.G.2013-06-142013-06-142005COCOS - Journal of the Coconut Research Institute of Sri Lanka17pp.46-52https://dl-cri.nsf.gov.lk/handle/1/571AgricultureCoconutPlantation managementAgricultural extensionPersuasive extension program (PEP)Farmars attitudeGrowersPerformance cultural practicesFertilizer usageSoil conservationWeed managementIntercroppingAnimal husbandryPest controlProductivityA