Santhirasegeram, K.Rajaratnam, N.Ferdinandez, D.E.F.2014-07-012014-07-011966Ceylon Coconut Quarterly, v17(1) p:42-55https://dl-cri.nsf.gov.lk//handle/1/4156enSoilsSoil nutrient statusSandy soilsPottukulamaStudies on the nutrient status of some coconut soils in Ceylon.The sandy soils at PothukulamaArticle