Santhirasegeram, K.2014-06-032014-06-031965Annual Sessions of Sri Lanka Association for the Advancement ofScience, Sri Lanka. Colombo, 1965. 21:p...https://dl-cri.nsf.gov.lk//handle/1/2837SoilsSoil nutrient statusSulphur deficienciesSulphur deficiency in soils of Ceylon