4.Journals Published in Sri Lanka
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Item Intercropping medicinal plants under rubber (Hevea)(Rubber Research Institute of Sri Lanka. Agalawatta, 2006) Pathiratna, L.S.S.; Perera, M.K.P.Item Effect of competition from rubber (Hevea) on the yield of intercropped medicinal plants, Solanum virginianum Schrad., Aerva lanata (L.) Juss. Ex. Schult and Indigofera tinctoria L.(Rubber Research Institute . Agalawatta, 2005) Pathiratna, L.S.S.; Perera, M.K.P.Item The effect of some cultural practices on the growth and yield of the medicinal plant Solanum virginianum Schrad. (Katuwelbatu)(University of Peradeniya. Colombo, 2004) Pathiratna, L.S.S.; Joseph, K.D.S.M.; Perera, M.K.P.