Kularatne, T.Bhavanandan, V.P.2014-11-182014-11-181971Tea Quarterly42(3)pp.101-108https://dl.nsf.gov.lk/handle/1/12947AgricultureCamellia sinensisPlant nutritionNutrient uptakeAmmonium sulphateAssimilationPlant physiologyUptake and utilization of ammonium and nitrate ions by tea plants as determined by the use of N15 labelled compoundsA