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Item Effect of frequency of cutting on yield and chemical composition of tropical grasses(National Sceince Council:Colombo, 1993) Premaratne, S.Item Effect of potassium and legumes on the establishment and growth of pasture mixtures in the mid-country of Sri Lanka(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1991) Premalal, G.G.C.; Premaratne, S.; Bandara, D.C.Item Effect of caged layer manure and molasses on ensiling characteristics and composition of Guinea (Panicum maximum, Jacq.) ecotype 'A'(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2001) Samaraweera, E.S.D.; Silva, L.P.; Premaratne, S.