Weerakkody, W.A.P.Wakui, K.Nukaya, A.2012-06-272012-06-272011Journal of the National Science Foundation of Sri Lanka39(2)pp.139-147https://dl.nsf.gov.lk/handle/1/9036AgricultureTomatoHydroponicsRecirulation hydropnics systemPlant nutritionNutrient uptakeWater uptakeElectrical conductivityNutrient film techniqueGrowth stagesPlant nutrient uptake in recirculation culture of tomato under growth stage based electrical conductivity adjustmentsArticle