Jeevaratnam, A.J.2013-05-082013-05-081959Journal of the Rubber Research Institute of Ceylon35(1)pp.10-15https://dl-rri.nsf.gov.lk/handle/1/1468Soil ScienceSoil surveyLateritic soilsSoil typesRubberCABOOK or laterite in relation to the soil survey of the rubber growing districtsA