Krishnapillai, S.2015-06-192015-06-191981Tea Quarterly50(4)pp.163-169https://dl-tri.nsf.gov.lk/handle/1/134AgricultureCamellia sinensisSand cultureNutrient contentTea plantsEffect of forms and levels of nitrogen on the growth and accumulation of nitrogen , phosphorus potassium and calcium by young tea plants (Camellia sinensis L.) grown in sand cultureArticle