Mathes, D.T.Gunathilaka, H.A.J.Fernando, D.N.S.2012-02-102012-02-101996COCOS - Journal of the Coconut Research Institute of Sri Lanka11pp.53-68https://dl.nsf.gov.lk/1/7354AgricultureCoconutField experimentationCalibrationPrincipal component analysisIntegrated indexReduction of experimental error in coconut with adjustment by an integrated index developed through principal component analysis using vegetative and reproductive charactersArticle