Journals
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Item A guide to the manuring of Ceylon tea (1995)(Tea Research Institute. Thalawakele, 1955) Lamb, J.; Portsmouth, G.B.; Tolhurst, J.A.H.Item Manuring young tea. 1961(Tea Research Institute. Thalawakele, 1961) Tolhurst, J.A.H.Item Manuring mature tea. the new T. 700 series; 1961(Tea Research Institute. Thalawakele, 1961) Tolhurst, J.A.H.Item Manuring of tea and possible connections with shot-hole borer attack(Tea Research Institute. Thalawakele, 1956) Tolhurst, J.A.H.Item Dolomite(Tea Research Institute. Thalawakele, 1956) Tolhurst, J.A.H.Item A discussion on the relation between quality and manuring(Tea Research institute. Thalawakle, 1958) Tolhurst, J.A.H.Item A review of present ideas on hard pruning(The Tea Research Institute. Talawakele, 1963) Tolhurst, J.A.H.Item Concluding report on a phosphate manurial trial. St. Coombs(The Tea Research Institute. Talawakele, 1963) Tolhurst, J.A.H.Item Manganese deficiency symptoms of tea(The Tea Research Institute. Talawakele, 1963) Tolhurst, J.A.H.Item Zinc deficiency of tea in Ceylon(The Tea Research Institute. Talawakele, 1962) Tolhurst, J.A.H.