Chapter 1 Development and function of Azospirillum-inoculated roots

Chapter 2 Lichens to Gunnera — with emphasis on Azolla

Chapter 3 Establishment of inoculated Azospirillum spp. in the rhizosphere and in roots of field grown wheat and sorghum

Chapter 4 Effects of oxygen partial pressure and combined nitrogen on N2-fixation (C2H2) associated with Zea mays and other gramineous species

Chapter 5 Adhesion of fimbriated nitrogen-fixing enteric bacteria to roots of grasses and cereals

Chapter 6 Ecological factors and adaptive processes in N2-fixing bacterial populations of the plant environment

Chapter 7 Nitrogen fixation associated with roots of Kallar grass (Leptochloa fusca L. Kunth)

Chapter 8 Growth and survival of Azospirillum brasilense and Arthrobacter giacomelloi in binary continuous culture

Chapter 9 Population dynamics of Azospirillum brasilense and its bacteriophage in soil

Chapter 10 Chemotaxis of free-living nitrogen-fixing bacteria towards maize mucilage

Chapter 11 Utilization of simple phenolics for dinitrogen fixation by soil diazotrophic bacteria

Chapter 12 Enrichment of diazotrophic bacteria from rice soil in continuous culture

Chapter 14 Aspects of nitrogen fixation and denitrification by Azospirillum

Chapter 15 Studies of the adenylate and pyridine nucleotide pools during nitrogenase ‘switch-off’ in Rhodospirillum rubrum

Chapter 16 Shifts in the intracellular ATP pools of immobilised Nostoc cells (Cyanobacteria) induced by water stress

Chapter 17 Regulation of the nitrogen fixation genes in Klebsiella pneumoniae: Implications for genétic manipulation

Chapter 18 Cloning of pEA3, a large plasmid of Enterobacter agglomerans containing nitrogenase structural genes

Chapter 19 The role of root-associated Klebsiella pneumoniae in the nitrogen nutrition of Poa pratensis and Triticum aestivum as estimated by the method of 15N isotope dilution

Chapter 20 Use of isotope dilution to measure nitrogen fixation associated with the roots of sorghum and millet genotypes

Chapter 21 Estimation of biological nitrogen fixation associated with Brachiaria and Paspalum grasses using 15N labelled organic matter and fertilizer

Chapter 22 Evaluation of the availability of Azolla-N and urea-N to rice using 15N

Chapter 23 Nitrogen fixation associated with non-legumes in agriculture

Chapter 24 Effect of Azospirillum inoculation on nitrogen fixation and growth of several winter legumes

Chapter 25 Nitrogen fixation by non-legumes in tropical agriculture with special reference to wetland rice

Chapter 26 Laboratory acetylene reduction assay for relative measurement of N2-fixing activities associated with field-grown wetland rice plants

Chapter 27 Effect of seed inoculation, mycorrhizal infection and organic amendment on wheat growth

Chapter 28 Effect of incorporation of crop residues on development of diazotrophs and patterns of acetylene-reducing activity in Nile Valley soils

Chapter 29 The improvement and utilization in forestry of nitrogen fixation by actinorhizal plants with special reference to Alnus in Scotland

Chapter 30 Distribution of Frankia in soils from forest and afforestation sites in northern Sweden

Chapter 31 Nitrogen fixation in coniferous bark litter

Chapter 32 The genetics of actinorhizal Frankia: A review