by Sivapalan, P. (Tea Research Inst. of Talawakelle (Sri Lanka))
Published in The Council for Agricultural Research Policy (Sri Lanka) (1987)

by Sivapalan, P. (Tea Research Inst. of Sri Lanka, Talawakelle)
Published in Tea Bulletin (Sri Lanka) (01.12.1981)

by Sivapalan, P. (Tea Research Inst. of Sri Lanka, Talawakelle (Sri Lanka))
Published in Tropical Agriculturist (Sri Lanka) (1981)

by Perera, H.A.S. (Dept. of Minor Export Crops, Matale (Sri Lanka)), Sivapalan, P. (Tea Research Inst. of Sri Lanka, Talawakelle (Sri Lanka)), Ranasinghe, M.A.S.K. (Peradeniya Univ. (Sri Lanka). Dept. of Agricultural Biology)
Published in Sri Lankan Journal of Agricultural Sciences (Sri Lanka) (1985)