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A guide to the manuring of Ceylon tea (1995)
(Tea Research Institute. Thalawakele, 1955) Lamb, J.; Portsmouth, G.B.; Tolhurst, J.A.H.
Manuring of nurseries 2. T.R.I. nursery manure. a completely soluble inorganic mixture
(Tea Research Institute. Thalawakele, 1961) Tolhurst, J.A.H.; Visser, T.
Manuring young tea. 1961
(Tea Research Institute. Thalawakele, 1961) Tolhurst, J.A.H.
Manuring mature tea. the new T. 700 series; 1961
(Tea Research Institute. Thalawakele, 1961) Tolhurst, J.A.H.
Manuring of tea and possible connections with shot-hole borer attack
(Tea Research Institute. Thalawakele, 1956) Tolhurst, J.A.H.
A discussion on the relation between quality and manuring
(Tea Research institute. Thalawakle, 1958) Tolhurst, J.A.H.
Magnesium manuring
(1964) Tolhurst, J.A.H.