Table of Contents

Contributors
Preface
Part I. Nitrogen Fixation by Free-Living Bacteria:
1. Physiology and ecology of free-living, nitrogen-fixing bacteria E. G. Mulder
2. Anaerobic nitrogen-fixing bacteria of different soil types E. N. Mishustin and V. T. Yemtsev
3. Nitrogen fixation in the rhizosphere of tropical grasses Johanna Dobereiner and J. M. Day
4. Nitrogen fixation in the rhizosphere of rice plants J. Balandreau, G. Rinaudi, Ibitissam Fares-Hamad and Y. Dommergues
5. The Broadbalk experiment. An investigation of nitrogen gains from non-symbiotic nitrogen fixation J. Day, D. Harris, P. J. Dart and P. van Berkum
6. Nitrogen fixation in the phyllosphere Jacoba Ruinen
7. Associative growth of nitrogen-fixing bacteria with other micro-organisms V. Jensen and Ester Holm
8. Nitrogen fixation associated with vascular aquatic macrophytes W. S. Silver and A. Jump
Part II. Nitrogen Fixation by Free-Living, Blue-Green Algae:
9. Nitrogen assimilation and metabolism in blue-green algae W. D. P. Stewart, A. Haystead and M. W. N. Dharmawardene
10. The physiology of nitrogen fixation by a Gloeocapsa sp. J. R. Gallon, W. G. W. Kurz and T. A. LaRue
11. Nitrogen fixation by blue-green algae in polar and subpolar regions Vera A. Alexander
12. Nitrogen fixation by blue-green algae in temperate soils U. Granhall
13. A comparison of nitrogen fixation by algae of temperate and tropical soils Elisabeth Henriksson, L. E. Henriksson and E. J. DaSilva
14. The role of blue-green algae in tropical rice cultivation G. S. Venkataraman
15. Research on blue-green algae in Egypt, 1958–1972 A. S. El-Nawawy and Y. A. Hamdi
16. Nitrogen-fixing algae in Morocco J. Renaut, A. Sasson, H. W. Pearson and W. D. P. Stewart
Part III. The Acetylene-Reduction Technique:
17. The acetylene-reduction technique R. H. Burris
18. Recent studies using the acetylene-reduction technique as an assay for field nitrogen fixation levels E. A. Paul
19. Seasonal and diurnal variations in N2(C2H2)-fixing activity in field soyabeans C. Sloger, D. Bezdiecek, R. Milberg and N. Boonkerd
20. Acetylene-reduction assay at ambient PO2 studies and forest soils: laboratory and field core studies R. Knowles and P. O'Toole
21. The biochemistry of nitrogen fixation - an introduction F. J. Bergersen
22. Some aspects of leghaemoglobin biosynthesis C. A. Godfrey, D. R. Coventry and M. J. Dilworth
23. Preparation and properties of nitrogenase proteins R. H. Burris
24. Morphology, reactions and characteristics of nitrogenase proteins R. W. F. Hardy, R. C. Burns, J. T. Stasny and G.W. Parshall
25. Kinetics and mechanism of nitrogenase action R. R. Eady, B. E. Smith, R. N. F. Thorneley, M. G. Yates and J. R. Postgar
26. Reductants for nitrogenase and relationships to cellular electron transport H. J. Evans and D. A. Phillips
27. Relationships between nitrogenase systems and ATP-yielding processes R. O. D. Dixon
28. Azotobacter nitrogenase: ATP kinetics and inhibition by high ionic strength R. C. Burns and R. W. F. Hardy
29. Azotobacter nitrogenase: mechanism and kinetics if allene reduction R. C. Burns, R. W. F. Hardy and W. D. Phillips
Index.