Gunaratne, G.P.Jayakody, A.N.Hettiarachchi, L.S.K.2014-11-122014-11-122000Tropical Agricultural Research, 12:p.138-150https://dl.nsf.gov.lk/handle/1/11851AgricultureSoil fertilityIntensive croppingNutrient uptakePlant nutritionEffects of intensive cropping on potassium status of soils in tea growing areasA