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Item Biological N2 fixing capacity of Gliricidia sepium and Calliandra calothyrsus under different agroclimatic conditions(University of Ruhuna, Faculty of Agriculture:Kamburupitiya, 2000) Gunaratne, W.D.L.; Heenkenda, A.P.; Premakumara, K.V.S.; Bandara, W.M.S.R.Item Biochemical changes in biocomposting of sericulture wastes(Soil Science Society of Sri Lanka:Peradeniya, 2007) Heenkenda, A.P.; Parama, V.R.R.Item Biochemical changes in biocomposting of sericulture wastes(Soil Science Society of Sri Lanka:Peradeniya, 2007) Heenkenda, A.P.; Parama, V.R.R.Item Effect of silkworm pupae compost on soil N mineralization nutrient uptake, crop yield and plant nutrient contents of french bean ( Phaseolus vugaris L.)(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2010) Heenkenda, A.P.; Parama, V.R.R.