Munasinghe, M.A.K.Chithranayana, R.D.2014-12-162014-12-162004Journal of the Soil Science Society of Sri Lanka, 16:p.29-42https://dl.nsf.gov.lk/handle/1/16293ClimatologyPotential evapotranspiration valuesSpatial variabilityTemporal variabilityAgricultural planningIrrigation water managementCrop suitability mappingAgro-ecological zonesAgro-metorologySpatio-temporal variability of potential evapotranspiration in Sri Lanka and its applications in agricultural planningArticle