Vol. 4 No. 1 (1992)

Articles

• Fifty years of quality technologoy

  R. A. Dayananda

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• Some interesting features of an "impromptu test" set up to evaluate the minium level of competence in mathematical manipulation

  P. C. B. Femanclo, C. Mapalagama

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• Interrelationships among the species of the genus puntius (teleostei, cyprinidae) as indicated by the meristic and morphological characters

  A. B. KOTALAWALA, J. JINADASA

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• Interrelationships among the species of the genus puntius (teleostei, cyprinidae) as indicated by the osteology

  A. B. KOTALAWALA

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• Species composition, distribution and economic importance of fishes in the Bolgoda lagoon

  J. Jinadasa, H. D. S. Jayantha, W. V. J. PERERA

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• Present status of the seine fishery in Negombo lagoon of Sri Lanka

  M. J. S. Wijeratne, W. M. D. S. K. Perera

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• A Preliminary study of satellite magnetic anomalies over Sri Lanka and nearby oceanic regions

  D. A. Tantrigoda, P. Geekiyanage

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• A Numerical technique to determine the magnetization of a two dimensional body

  D. A. Tantrigoda

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• Effects of low water PH on some heamatological and physiological parameters of oreochromis mossambicus

  I. C. Amarasinghe, M. V. E. Attygalle

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• Limnology project at Mahaweli reservoirs:II A limnological study at Kotmale, Victoria and Randenigala rservoirs

  Swarna Rathnayake

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• Population structure and polymorphism of Ceriodaphnia cornuta in kotmale reservoir

  W. P. N. Chandrananda, S. Piyasiri

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• Seasonal diurnal and vertical distribution patterns of cyclopid copepods in Kotmale reservoir

  W. P. N. Chandrananda, S. Piyasiri

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• Effects of foliar application of nitrogen and molybdenum on the uptake of nitrogen, seed yield and its quality of soybeans (Glycine max (L.) Merr.)

  S. S. Ranaweera

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• Mineral nutrition of Cymbopogon nardus (L) Rendle: Part I. effects of magnesium and phosphorus nutrition on growth and the yield of essential oil

  S. S. Ranaweera, W. P. Thilakaratne

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• Mineral nutrition of Cymbopogon nardus (L) Rendle: Part II. effects of magnesium and phosphorus nutrition on the fractional composition of essential oil

  S. S. Rsnaweera, W. P. Thilakaratne

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• Growth assessment of some ornamental fish species fed with low cost feeds

  A. De Alwi, J. JINADASA

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• A Preliminary study of some aspects of distribution of phospholipids and yield and flow properties of hevea latex

  S. Kasinathan, P. A. J. Yapa, K. Balasobramanium

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