• Beevers, L. & Hageman, R. H. (1969). Nitrate reduction in higher plants. A. Rev. Pl. Physiol., 20, 495.
  • Bollard, E. G. (1957). Nitrogenous compounds in the tracheal sap of woody members of the family Rosaceae. Aust. J. biol. Sci., 10, 288.
  • Ferrari, T. E. & Varner, J. E. (1971). Intact tissue assay for nitrite reductase in Barley aleurone layers. Pl. Physiol., Baltimore, 47, 790.
  • Gorham, A. V. & Gorham, E. (1955). Iron, manganese, ash and nitrogen in some plants from salt-marsh and shingle habitats. Ann. Bot., N.s. 19, 571.
  • Jeffries, R. L. (1972). Aspects of salt-marsh ecology with particular reference to inorganic plant nutrition. In: The Estuarine Environment (Ed. by R. S. K.Barnes & J.Green), p. 61. Applied Science Publishers, London .
  • Kayamura, Y. & Takada, H. (1971). The effect of NaCl on utilization of organic nitrogen sources in halophilic Streptomyces. Trans, my col. Soc. Japan, 12, 161.
  • Klepper, L., Flesher, D. & Hageman, R. H. (1971). Generation of reduced nicotinamide adenine dinucleotide for nitrate reduction in green leaves. Pl Physiol., Baltimore, 48, 580.
  • Lunin, J. & Gallatin, M. H. (1965). Salinity-fertility interactions in relation to the growth and composition of leaves. I. Effect of N, P and K. Agron. J., 57, 339.
  • Piggot, C. D. (1969). Influence of mineral nutrition on the zonation of flowering plants in coastal salt marshes. In: Ecological Aspects of Mineral Nutrition of Plants (Ed. by I. H.Rorison). p. 25. Blackwell Scientific Publications, Oxford .
  • Ravikovitch, S. & Yoles, D. (1971). The influence of phosphorus and nitrogen on millet and clover growing in soils affected by salinity. I. Plant development. Pl. Soil, 35, 555.
  • Stewart, G. R., Lee, J. A. & Orebamjo, T. O. (1972). Nitrogen metabolism of halophytes. 1. Nitrate Reductase activity in Suaeda maritima. New Phytol., 71, 263.
  • Tyler, G. (1967). On the effect of phosphorus and nitrogen supplied to Baltic Shore meadow vegetation. Bot. Notiser, 120, 433.
  • Tyler, G. (1971). Distribution and turnover of organic matter and minerals in a shore meadow ecosystem. Oikos, 22, 265.
  • Wallace, W. & Pate J. S. (1967). Nitrate assimilation in higher plants with special reference to the cockle-bur (Xanthium pennsylvanicum Wallr.). Ann. Bot., N.s. 31, 213.