Wijewantha, R.T.2013-05-082013-05-081959Journal of the Rubber Research Institute of Ceylon35(3)pp.58-69https://dl-rri.nsf.gov.lk/handle/1/1471AgricultureRubberPlant diseasesLeaf fallOidiumSulphur dustingReport on the sulphur dusting of smallholdings in 1958/59A