Wickramasinghe, W.M.A.D.B.Wijewardena, J.D.H.2020-12-072020-12-072000Annals of the Sri Lanka Department of Agriculture, 2:p.465-482https://dl-doa.nsf.gov.lk/handle/1/2958FERTILIZERSNutrient managementRice productivityFertilitySoil and nutrient management for increasing soil fertility towards increased rice productivity in Sri LankaArticle