Journals
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Item Plant parasitic nematodes - the invisible enemy of cultivated crops(1982) Gnanapragasam, N.C.Item Root diseases of tea(Tea Reseaech Institute:Talawakele, 1988) Arulpragasam, P.V.Item The use of fungicides in tea in Sri Lanka(Tea Research Institute:Talawakele, 1986) Arulpragasam, P.V.Item Retarding the premature death of seedling tea(TRI:Talawakelle, 1982) Arulpragasam, P.V.Item Pathogenicity of the burrowing nematode Radopholus similis to young tea at different initial density(Tea Research Institute. Talawakele, 1989) Gnanapragasam, N.C.Item Dificiency diseases and the role of the minor elements in plant life(Tea Research Institute. Thalawakele, 1943) Bond, T.E.T.Item Bitten-off disease of tea seedlings(Tea Research Institute. Thalawakele, 1940) Gadd, C.H.Item Crop protection by modified agricultural methods pt 1. the control of shade(Tea Research Institute. Thalawakele, 1950) Walter, T.E.Item The influence of the soil on the development of plant diseases and pests(Tea Research Institute. Thalawakele, 1960) Mulder, D.Item Planting on poria-infected areas(Tea Research Institute. Thalawakele, 1960) Mulder, D.