Dharmakeerthi, R.S.Silva, S.N.Yakandawala, A.Jayasinghe, W.K.2014-07-102014-07-102005Journal of the Rubber Research Institute of Sri Lanka, 87:p.23-35https://dl-rri.nsf.gov.lk//handle/1/2512AgricultureRubber cultivationSoil fertilitySoil analysisLeaf analysisSoil propertiesUrease activityPlant nutritionMoneragalaNutritional status of rubber growing soils in the Moneragala districtArticle