Sumanasena, H.A.Dharmadasa, M.Gunaratne, W.D.L.Wickramasinghe, P.J.2014-12-162014-12-161992Journal of the Soil Science Society of Sri Lanka, 8:p.28-60https://dl.nsf.gov.lk/handle/1/16306AgricultureElettaria cardamomumNitrogen fertilizersPhosphorus fertilizersPotassium fertilizersPlant growthSoil chemical propertiesPlant nutritionChemical analysisSoil ScienceEffect of applied N,P and K on growth and yield of cardamom (Elettaria cardamomum Maton)Article