Ratnayake, U.A.J.Weerasinghe, K.D.N.Vitharana, W.A.U.Chandika, K.K.J.2019-10-172019-10-172017Annals of the Sri Lanka Department of Agriculture, 19(2):p.260-264https://dl-doa.nsf.gov.lk/handle/1/1552FertilizerUse of Eppawala rock phosphate for rice cultivation in acid sulphate soils in Matara districtArticle