Dharmakeerthi, R.S.2012-07-312012-07-312009Bulletin of the Rubber Research Institute of Sri Lanka50pp.49-60https://dl.nsf.gov.lk/handle/1/9212AgricultureRubberHevea brasiliensisNutrient requirementsPlant nutritionInorganic fertilizersOrganic fertilizersSoil fertilitySoil microbiologyResearch and developmentProgress in Hevea nutrition research in Sri Lanka. a retrospective viewArticle