Jayakody, A.N.Kendaragama, K.M.A.2014-12-162014-12-161989Journal of the Soil Science Society of Sri Lanka, 6:p.30-45https://dl.nsf.gov.lk/handle/1/16242AgriculturePotassium fertilizersIrrigation waterSoil sciencePotassium leaching in a noncalcic brown soil under irrigated rice in Mahaweli system BArticle