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References

  • Abdel Wahab, A. M. (1969). The role of micro-organisms in the nitrogen nutrition of Ammophila arenaria. Ph.D. Thesis, University of Wales, U.K.
  • Abdel Wahab, A. M. (1975). Nitrogen fixation by Bacillus strains isolated from the rhizosphere of Ammophila arenaria. Plant and Soil, 42, 703708.
  • Ahmad, M. H. & Neckelmann, J. (1978). N2 Fixation by roots and rhizosphere of sand dune plants. Zeitschrift für Pflanxenernahrung und Bodenkunde, 141, 117121.
  • Balandreau, J., Rinaudo, G., Ibtissam Fakes-Hamad & Dommergues, Y. (1975). Nitrogen fixation in rhizosphere of rice plants. In: Nitrogen Fixation by Free-living Micro-organisms (Ed. by W. D. P.Stewart), pp. 5770. Cambridge University Press. London .
  • Burlingham, S. K. (1965). Production of gibberellin-like substances by Azotobacter in culture. Annual Report of the Rothamsted Experimental Station, p. 86.
  • Burris, R. H. & Wilson, P. W. (1957). Methods for measurements of nitrogen fixation. Methods in Enzymology, 4, 355365.
  • Burris, R. H. (1974). Methodology. In: The Biology of Nitrogen Fixation (Ed. by A.Quispel), pp. 933. North Holland, Amsterdam .
  • Day, J. M., Dart, P. & Roughley, R. (1975). Ethylene as a factor limiting the legume-Rhixobium symbiosis in tube culture. Annals of Applied Biology, 81, 119.
  • Day, J. M., Neves, M. C. P. & Dobereiner, J. (1975). Nitrogenase activity on the roots of tropical forage grasses. Soil Biology and Biochemistry, 7, 107112.
  • Dilworth, M. J. (1966). Acetylene reduction by nitrogen-fixing preparations from Clostridium pasteurianum. Biochimica biophysica acta, 127, 285294.
  • Dobereiner, J. & Day, J. M. (1975). Nitrogen fixation in the rhizosphere of tropical grasses. In: Nitrogen Fixation by Free-living Micro-organisms (Ed. by W. D. P.Stewart). Cambridge University Press. London .
  • Dommergues, Y., Balandreau, J., Rinaudo, G. & Weinhard, P. (1973). Non-symbiotic nitrogen fixation in the rhizosphere of rice, maize and different tropical grasses. Soil Biology and Biochemistry, 5, 8389.
  • Evans, H. J. & Barker, L. E. (1977). Biological nitrogen fixation for food and fibre production. Science, 197, 332339.
  • Ghayad, F. I. (1976). Studies on root growth and nutrition in Antmophila arenaria. Ph.D. Thesis, University of Wales, U.K.
  • Goodlass, G. & Smith, K. A. (1979). Effects of ethylene on root extension and nodulation of pea (Pisum sativum L.) and white clover (Trifolium repens L.). Plant and Soil, 51, 387395.
  • Grobbelar, N., Clark, B. & Hough, M. C. (1971). The nodulation and nitrogen fixation of isolated roots of Phaseolus vulgaris L. III. The effect of carbon dioxide and ethylene. Plant and Soil (Special Volume), pp. 215221.
  • Hardy, R. W. F., Holsten, R. D., Jackson, E. K. & Burns, R. C. (1968). The acetylene—ethylene assay for N2-fixation. Laboratory and field evaluation. Plant Physiology, 43, 11851207.
  • Harris, D. & Dart, P. J. (1973). Nitrogenase activity in the rhizosphere of Stachys sylvatica and some other dicotyledonous plants. Soil Biology and Biochemistry, 5, 277279.
  • Hassouna, M. G. (1962). Soil micro-organisms and nutrient relations in plant colonization. Ph.D. Thesis, University of Wales, U.K.
  • Hassouna, M. G. & Wareing, P. F. (1964). Possible role of rhizosphere bacteria in the nitrogen nutrition of Ammophila arenaria. Nature, London, 202, 467469.
  • Hewitt, E. J. (1966). Sand and water culture methods used in the study of plant nutrition. Commonwealth Agricultural Bureau, p. 547.
  • Jensen, H. L. (1951). Notes on the biology of Azotobacter. Proceedings of the Society for Applied Bacteriology, 14, 8995.
  • Legg, J. O. & Sloger, C. (1975). A tracer method for determining nitrogen fixation in field studies. Proceedings of the Second International Conference on Stable Isotopes, Oak Brook, pp. 661666.
  • Paul, E. A., Myers, R. J. K. & Rice, W. A. (1971). Nitrogen fixation in grassland and associated cultivated ecosystems. Plant and Soil (Special Volume), pp. 495507.
  • Stewart, W. P. D., Fitzgerald, G. P. & Burris, R. H. (1967). In situ studies on N2-fixation using the acetylene reduction technique. Proceedings of the National Academy of Science, 58, 20712078.
  • Tjepkema, J. (1975). Nitrogenase activity in the rhizosphere of Panicum virgatum. Soil Biology and Biochemistry, 7, 179180.
  • Vancura, V. (1961). Detection of gibberellic add in Azotobacter cultures. Nature London, 192, 8889.
  • Vlassak, K., Paul, E. A. & Harris, R. E. (1973). Assessment of biological nitrogen fixation in grassland and associated sites. Plant and Soil, 38, 637649.
  • Weinhard, P., Balandreau, J., Rineudo, G. & Dommergues, Y. (1971). Fixation nonsymbiotique de l'azote dans la rhizosphere de quelques non-legumineuses tropicales. Revue d'Écologie et de Biologie du Sol, 8, 367373.
  • Willis, A. J. (1965). The influence of mineral nutrients on the growth of Ammophila arenaria. Journal of Ecology, 53, 735745.