Sivasubramaniam, S.Wickremasinghe, K.N.Ayadurai, S.2015-06-192015-06-191981Tea Quarterly50(1)pp.4-10https://dl-tri.nsf.gov.lk/handle/1/86AgriculturePhosphorus ferfilizersEppawela apatiteRock phosphateSoil fertilityNutrient uptakeDry matter accumulationThe use of Eppawela apatite for tea in Sri LankaArticle