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Subrahmanyan, R. ; Gopinathan, C. P. ; Pillai, C. Thankappan (1975) Phytoplankton of the Indian Ocean: some ecological problems Journal of the Marine Biological Association of India, 17 (3). pp. 608-612. ISSN 0025-3146

Subrahmanyan, R. ; Gopinathan, C. P. (1971) Vegetable resources from the sea Seafood Export Journal, 3 (1). pp. 139-150. ISSN 0037-010x

Subrahmanyan, R. (1969) Fisheries oceanography in India Indian Farming, 19 (9). pp. 47-52. ISSN 0019-4786

Subrahmanyan, R. (1966) New species of Dinophyceae from Indian waters. I. The genera Haplodiniurn Klebs emend. Subrahmanyan and Mesoporos Lillick Phykos, 5 (1-2). pp. 175-180. ISSN 0554-1182

Subrahmanyan, R. ; Relwani, L. L. ; Manna, G. B. (1965) Fertility build-up of rice field soils by blue-green algae Proceedings of the Indian Academy of Sciences, Section B, 62 (6). pp. 252-272. ISSN 0370-0097

Subrahmanyan, R. ; Manna, G. B. ; Patnaik, S. (1965) Preliminary observations on the interaction of different rice soil types to inoculation of blue-green algae in relation to rice culture Proceedings of the Indian Academy of Sciences, Section B, 62 (4). pp. 171-175. ISSN 0370-0097

Subrahmanyan, R. ; Sahay, M. N. (1965) Observations on nitrogen fixation and organic matter produced by Anabaena circinalis Rabh. and their significance in rice culture Proceedings of the Indian Academy of Sciences, Section B, 61 (3). pp. 164-169. ISSN 0370-0097

Subrahmanyan, R. ; Sen Gupta, R. (1965) Studies on the plankton of the east coast of India. Part II. Seasonal cycle of plankton and factors affecting marine plankton production with special reference to Iron content of water Proceedings of the Indian Academy of Sciences, Section B, 61 (1). pp. 12-24. ISSN 0370-0097

Subrahmanyan, R. ; Sarma, A. H. Viswanatha (1965) Studies on the phytoplankton of the west coast of India. Part IV. Magnitude of the standing crop for 1955-1962, with observations on nanoplankton and its significance to fisheries Journal of the Marine Biological Association of India, 7 (2). pp. 406-419. ISSN 0025-3146

Subrahmanyan, R. ; Relwani, L. L. ; Manna, G. B. (1964) Rôle of blue-green algae and different methods of partial soil sterilization on rice yield Proceedings of the Indian Academy of Sciences, Section B, 60 (4). pp. 293-297. ISSN 0370-0097

Subrahmanyan, R. ; Relwani, L. L. ; Manna, G. B. (1964) Observations on the role of blue-green algae on rice yield compared with that of conventional fertilizers Current Science, 33 (16). pp. 485-486. ISSN 0011-3891

Subrahmanyan, R. ; Sahay, M. N. (1964) Observations on nitrogen-fixation by some blue-green algae and remarks on its potentialities in rice culture Proceedings of the Indian Academy of Sciences, Section B, 60 (2). pp. 145-154. ISSN 0370-0097

Belwani, L .L. ; Subrahmanyan, R. (1963) Role of blue-green algae, chemical nutrients and partial soil sterilization on paddy yield Current Science, 32 (10). pp. 441-443. ISSN 0011-3891

Subrahmanyan, R. ; Sen Gupta, R. (1963) Studies on the plankton of the east coast of India. I. Seasonal variation in the fat content of the plankton and its relationship to phytoplankters and fisheries Proceedings of the Indian Academy of Sciences, Section B, 57 (1). pp. 1-14. ISSN 0370-0097

Subrahmanyan, R. (1962) On ruttnera pringsheimii sp. nov. (Chrysophyceae) from the Coastal Waters of India Archives of Microbiology, 42 (2). pp. 219-225. ISSN 0302-8933

Subrahmanyan, R. (1960) Observations on the effect of the monsoons in the production of phytoplankton Journal of the Indian Botanical Society, 39 (1). pp. 78-89. ISSN 0019-4468

Subrahmanyan, R. ; Sarma, A. H. Viswanatha (1960) Studies on the phytoplankton of the west coast of India. Part III. Seasonal variation of the phytoplankters and environmental factors Indian Journal of Fisheries, 7 (2). pp. 307-336. ISSN 0970-6011

Subrahmanyan, R. (1959) Studies on the phytoplankton of the west coast of India. Part II. Physical and chemical factors influencing the production of phytoplankton, with remarks on the cycle of nutrients and on the relationship of the phosphate-content to fish landings Proceedings of the Indian Academy of Sciences, Section B, 50 (4). pp. 189-252. ISSN 0370-0097

Subrahmanyan, R. (1959) Studies on the phytoplankton of the west coast of India. Part I. Quantitative and qualitative fluctuation of the total phytoplankton crop, the zooplankton crop and their interrelationship, with remarks on the magnitude of the standing crop and production of matter and their relationship to fish landings Proceedings of the Indian Academy of Sciences, Section B, 50 (3). pp. 113-188. ISSN 0370-0097

Velappan Nair, R. ; Subrahmanyan, R. (1955) The diatom, Fragilaria oceanica cleve, an indicator of abundance of the Indian oil sardine, Sardinella longiceps cuv. and val. Current Science, 24 (2). pp. 41-42. ISSN 0011-3891

Subrahmanyan, R. (1954) A new member of the Euglenineae, Protoeuglena Noctilucae gen. et sp. nov., occurring in Noctiluca miliaris suriray, causing green discoloration of the sea off Calicut Proceedings of the Indian Academy of Sciences, Section B, 39 (3). pp. 118-127. ISSN 0370-0097

Subrahmanyan, R. (1954) On the life-history and ecology of Hornellia marina gen. et sp. nov., (Chloromonadineae), causing green discoloration of the sea and mortality among marine organisms off the Malabar coast Indian Journal of Fisheries, 1 (1-2). pp. 182-203. ISSN 0970-6011

Subrahmanyan, R. (1946) A systematic account of the marine plankton diatoms of the Madras coast Proceedings of the Indian Academy of Sciences, Section B, 24 (4). pp. 85-197. ISSN 0370-0097

Subrahmanyan, R. (1945) On the cell-division and mitosis in some South Indian Diatoms Proceedings of the Indian Academy of Sciences, Section B, 22 (6). pp. 331-354. ISSN 0370-0097

Subrahmanyan, R. (1945) On the formation of auxospores in Bacteriastrum Current Science, 14 (6). pp. 154-155. ISSN 0011-3891

Subrahmanyam, R. (1945) On somatic division, reduction division, auxospore-formation and sex differentiation in navicula halophil(Grunow) cleve Current Science, 14 (3). pp. 75-77. ISSN 0011-3891