02920nam a2200313 a 450000100080000000500110000800800410001902000180006010000290007824500540010726000480016130000110020949000440022050001050026452019940036965000190236365000130238265000220239565000140241765000290243165000180246065000160247865300080249465300120250265300400251465300130255465300200256765300190258712106412003-04-10 1975 bl uuuu 00u1 u #d a0-521-20708-81 aSTEWART, W. D. P. (Ed.). aNitrogen fixation by free-living micro-organisms. aCambridge: Cambridge University Pressc1975 a471 p. a(International Biological Programe, 6). aPapers prsented at an IBP Synthesis Meeting on Nitrogen Fixation held in Edinburg in September 1973. aNitrogen fixation by free-living bacteria; Physiology and ecology of free-living, nitrogen-fixing bacteria; Anaerobic nitrogen-fixing bacteria of different soil types; Nitrogen fixation in the rhizosphere of tropical grasses; Nitrogen fixation in the rhizosphere of rice plants; The Broadbalk experiment: an investigation of nitrogen gains from non-symbiotic nitrogen fixation; Nitrogen fixation in the phyllosphere; Associated growth of nitrogen-fixing bacteria with other micro-organisms; Nitrogen fixation associated with vascular aquatic macrophytes; Nitrogen fixation by free-living, blue-green algae; Nitrogen assimilation and metabolism in blue-green algae; The physiology of nitrogen fixation by a Gloeocapsa sp.; Nitrogen fixation by blue-green algae in polar and subpolar regions; Nitrogen fixation by blue-green algae in temperate soils; A comparison of nitrogen fixation by algae of temperate and tropical soils; The role of blue-green algae in tropical rice cultivation; Research on blue-green algae in Egypt, 1958-1972; Nitrogen-fixing algae in Morocco; The acetylene-reduction technique; Recent studies using the acetylene-reduction technique as an assay for field nitrogen fixation levels; Seasonal and diurnal variations in N2(C2H2)-fixing activity in field soybeans; Acetylene-reduction assay at ambient P o2, of field and forest soils: laboratory and field core studies; The biochemistry of nitrogen fixation; The biochemistry of nitrogen fixation - an introduction; Some aspects of leghaemoglobin biosynthesis; Preparation and properties of nitrogenase proteins; Morphology, reactions and characteristics of nitrogenase proteins; Kinetics and mechanism of nitrogenase action; Reductants for nitrogenase and relationships to cellular electron transport; Relationships between nitrogenase systems and ATP-yielding processes; Azotobacter nitrogenase: ATP kinetics and inhibition by high ionic strength; Azotobacter nitrogenase: mechanism and kinetics of allene reduction. amicroorganisms anitrogen anitrogen fixation aBactéria aFixação de Nitrogênio aMicrorganismo aNitrogênio aFBN aFixacao aFixação biológica de nitrogênio aFixation aMicro-organisms aMicroorganismo