Browsing by Author "Wickramasinghe, P.J."
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Item Effect of applied N,P and K on growth and yield of cardamom (Elettaria cardamomum Maton)(Soil Science Society of Sri Lanka:Colombo, 1992) Sumanasena, H.A.; Dharmadasa, M.; Gunaratne, W.D.L.; Wickramasinghe, P.J.Item Genetic improvment and cultural practices in Betel (P. betel L.)Wickramasinghe, P.J.; Herath, I.M.H.B.; Samuel, M.R.A.