Vol 4, No 1 (1992)

Table of Contents

Articles

Fifty years of quality technologoy PDF
R. A. Dayananda
Some interesting features of an "impromptu test" set up to evaluate the minium level of competence in mathematical manipulation PDF
P. C. B. Femanclo, C. Mapalagama
Interrelationships among the species of the genus puntius (teleostei, cyprinidae) as indicated by the meristic and morphological characters PDF
A. B. KOTALAWALA, J. JINADASA
Interrelationships among the species of the genus puntius (teleostei, cyprinidae) as indicated by the osteology PDF
A. B. KOTALAWALA
Species composition, distribution and economic importance of fishes in the Bolgoda lagoon PDF
J. Jinadasa, H. D. S. Jayantha, W. V. J. PERERA
Present status of the seine fishery in Negombo lagoon of Sri Lanka PDF
M. J. S. Wijeratne, W. M. D. S. K. Perera
A Preliminary study of satellite magnetic anomalies over Sri Lanka and nearby oceanic regions PDF
D. A. Tantrigoda, P. Geekiyanage
A Numerical technique to determine the magnetization of a two dimensional body PDF
D. A. Tantrigoda
Effects of low water PH on some heamatological and physiological parameters of oreochromis mossambicus PDF
I. C. Amarasinghe, M. V. E. Attygalle
Limnology project at Mahaweli reservoirs:II A limnological study at Kotmale, Victoria and Randenigala rservoirs PDF
Swarna Rathnayake
Population structure and polymorphism of Ceriodaphnia cornuta in kotmale reservoir PDF
W. P. N. Chandrananda, S. Piyasiri
Seasonal diurnal and vertical distribution patterns of cyclopid copepods in Kotmale reservoir PDF
W. P. N. Chandrananda, S. Piyasiri
Effects of foliar application of nitrogen and molybdenum on the uptake of nitrogen, seed yield and its quality of soybeans (Glycine max (L.) Merr.) PDF
S. S. Ranaweera
Mineral nutrition of Cymbopogon nardus (L) Rendle: Part I. effects of magnesium and phosphorus nutrition on growth and the yield of essential oil PDF
S. S. Ranaweera, W. P. Thilakaratne
Mineral nutrition of Cymbopogon nardus (L) Rendle: Part II. effects of magnesium and phosphorus nutrition on the fractional composition of essential oil PDF
S. S. Rsnaweera, W. P. Thilakaratne
Growth assessment of some ornamental fish species fed with low cost feeds PDF
A. De Alwi, J. JINADASA
A Preliminary study of some aspects of distribution of phospholipids and yield and flow properties of hevea latex PDF
S. Kasinathan, P. A. J. Yapa, K. Balasobramanium