Liyanage, N.J.Jayakody, A.N.Thenabadu, M.W.2016-04-262016-04-261990Proceedings of the 46th Annual Sessions of the Sri Lanka Association for the Advancement of Science:p.62https://dl.nsf.gov.lk/handle/1/23173AgricultureEffect of Ammonium Nitrogen on Potassium reserves in an alfisol at different K levels under submerged conditionArticleRG/86/AG/001FR 0983