Duminda, D.M.S.; Pathiratne, K.A.S.; Somasiri, L.L.W.
(Proceedings of the Annual Research Symposium 2005-Faculty of Graduate Studies, University of Kelaniya, 2005)
The application of three different phosphorous (P) fertilizer sources, viz., Eppawela rock phosphate
(ERP), Imported rock phosphate (IRP) and Triple super phosphate (TSP) on the long term
availability of several different ...