Tea Quarterly
Permanent URI for this collectionhttps://dl-tri.nsf.gov.lk/handle/1/68
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Item Studies on the mineral nutrition of tea - 4 ammonium and nitrate as forms of nitrogen fro tea plants in sand culture(The Tea Research Institute. Talawakele, 1971) Pethiyagoda, U.; Krishnapillai, S.Item The effect of nitrogen fertilizers on soil acidity , soil urease activity and leaf nutrient content on yield of tea(The Tea Research Institute. Talawakele, 1971) Bhavanandan, V.P.; Sunderalingam, S.