Jose, C.T.Saraswathy, N.2014-05-242014-05-242008-05Journal of Plantation Crops, 2008, 36(2): 132-136http://hdl.handle.net/123456789/1698encovariance analysisdisease management trialnonparametric regressionsmoothing techniqueApplication of nonparametric covariance analysis in field trial with reference to YLD management trial in arecanutArticle