Gunaratne, G.P.Hettiarachchi, L.S.K.Jayakody, A.N.2015-06-192015-06-192004Sri Lanka Journal of Tea Science69(1-2)pp.5-19https://dl.nsf.gov.lk/handle/1/19621AgricultureBoundary -line approachNutrient diagnosisLeaf analysisTea plantationBoundary -line approach in specifying nutrient diagnosis ranges for vegetatively propagated tea in Sri LankaArticle