Saparamadu, M.D.J.S.Weerakkody, W.A.P.Gunawardhana, H.D.Wijesekera, R.D.2014-11-122014-11-122008Tropical Agricultural Research, 20:p.400-404https://dl.nsf.gov.lk/handle/1/12132AgricultureHydroponicsNutrient solutionCost effectivenessProductivityGrowing mediaRice hullRiver sandDevelopment of a low cost and productive nutrient formulation for simplified hydroponics using commercial grade chemicalsA