Dharmakeerthi, R.S.2014-07-102014-07-102009Bulletin of the Rubber Research Institute of Sri Lanka, 50:p.49-60https://dl-rri.nsf.gov.lk//handle/1/2557AgricultureRubberHevea brasiliensisNutrient requirementsPlant nutritionInorganic fertilizersOrganic fertilizersSoil fertilitySoil microbiologyResearch and developmentProgress in Hevea nutrition research in Sri Lanka. a retrospective viewArticle