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Fungicides and their application

Lamb, J. (Tea Research Institute. Thalawakele, 1951)
The maintenance of fertility in tea soils

Lamb, J. (Tea Research Institute. Thalawakele, 1951)
The future of tea production

Lamb, J. (Tea Research Institute. Thalawakele, 1955)
The condition of Ceylon tea soils

Lamb, J. (Tea Research Institute. Thalawakele, 1955)
A guide to the manuring of Ceylon tea (1995)

Lamb, J.; Portsmouth, G.B.; Tolhurst, J.A.H. (Tea Research Institute. Thalawakele, 1955)
Chemical and biochemical investigations on Ceylon tea soils

Lamb, J. (Tea Research Institute. Thalawakele, 1955)
The principles of pest control. general

Lamb, J. (Tea Research Institute. Thalawakele, 1953)
The use of insecticides

Lamb, J. (Tea Research Institute. Thalawakele, 1953)
Studies in Blister blight control XVI. conclusion

Lamb, J. (Tea Research Institute. Thalawakele, 1954)
The mixture as prescribed

Lamb, J.; Tolhurst, J .A.H. (Tea Research Institute. Thalawakele, 1954)