Santhirasegaram, K.Rajaratnam, N.Ferdinandez, D.E.F.2015-08-112015-08-111966Ceylon Coconut Quarterly, 17(1):p.42-55https://dl.nsf.gov.lk/handle/1/19991Soil ScienceCoconutsAlluvial soilsSoil fertilityPothukulamaStudies on the nutrient status of some coconut soils in CeylonArticle