Nitrogen Fixation with Non-Legumes: The Third International Symposium on Nitrogen Fixation with Non-legumes, Helsinki, 2–8 September 1984

Front Matter....Pages i-xi
Front Matter....Pages 1-1
Development and function of Azospirillum -inoculated roots....Pages 3-16
Lichens to Gunnera — with emphasis on Azolla ....Pages 17-34
Establishment of inoculated Azospirillum spp. in the rhizosphere and in roots of field grown wheat and sorghum....Pages 35-46
Effects of oxygen partial pressure and combined nitrogen on N 2 -fixation (C 2 H 2 ) associated with Zea mays and other gramineous species....Pages 47-58
Adhesion of fimbriated nitrogen-fixing enteric bacteria to roots of grasses and cereals....Pages 59-69
Front Matter....Pages 71-71
Ecological factors and adaptive processes in N 2 -fixing bacterial populations of the plant environment....Pages 73-92
Nitrogen fixation associated with roots of Kallar grass ( Leptochloa fusca L. Kunth)....Pages 93-105
Growth and survival of Azospirillum brasilense and Arthrobacter giacomelloi in binary continuous culture....Pages 107-116
Population dynamics of Azospirillum brasilense and its bacteriophage in soil....Pages 117-128
Chemotaxis of free-living nitrogen-fixing bacteria towards maize mucilage....Pages 129-139
Utilization of simple phenolics for dinitrogen fixation by soil diazotrophic bacteria....Pages 141-150
Enrichment of diazotrophic bacteria from rice soil in continuous culture....Pages 151-164
Front Matter....Pages 165-165
Biochemistry and physiology of nitrogen fixation with particular emphasis on nitrogen-fixing phototrophs....Pages 167-191
Aspects of nitrogen fixation and denitrification by Azospirillum ....Pages 193-202
Studies of the adenylate and pyridine nucleotide pools during nitrogenase ‘switch-off’ in Rhodospirillum rubrum ....Pages 203-209
Shifts in the intracellular ATP pools of immobilised Nostoc cells (Cyanobacteria) induced by water stress....Pages 211-221
Front Matter....Pages 223-223
Regulation of the nitrogen fixation genes in Klebsiella pneumoniae : Implications for genétic manipulation....Pages 225-233
Cloning of pEA3, a large plasmid of Enterobacter agglomerans containing nitrogenase structural genes....Pages 235-242
Front Matter....Pages 243-243
The role of root-associated Klebsiella pneumoniae in the nitrogen nutrition of Poa pratensis and Triticum aestivum as estimated by the method of 15 N isotope dilution....Pages 245-254
Use of isotope dilution to measure nitrogen fixation associated with the roots of sorghum and millet genotypes....Pages 255-263
Front Matter....Pages 243-243
Estimation of biological nitrogen fixation associated with Brachiaria and Paspalum grasses using 15 N labelled organic matter and fertilizer....Pages 265-292
Evaluation of the availability of Azolla -N and urea-N to rice using 15 N....Pages 293-299
Front Matter....Pages 301-301
Nitrogen fixation associated with non-legumes in agriculture....Pages 303-334
Effect of Azospirillum inoculation on nitrogen fixation and growth of several winter legumes....Pages 335-342
Nitrogen fixation by non-legumes in tropical agriculture with special reference to wetland rice....Pages 343-357
Laboratory acetylene reduction assay for relative measurement of N 2 -fixing activities associated with field-grown wetland rice plants....Pages 359-372
Effect of seed inoculation, mycorrhizal infection and organic amendment on wheat growth....Pages 373-382
Effect of incorporation of crop residues on development of diazotrophs and patterns of acetylene-reducing activity in Nile Valley soils....Pages 383-389
Front Matter....Pages 391-391
The improvement and utilization in forestry of nitrogen fixation by actinorhizal plants with special reference to Alnus in Scotland....Pages 393-406
Distribution of Frankia in soils from forest and afforestation sites in northern Sweden....Pages 407-417
Nitrogen fixation in coniferous bark litter....Pages 419-425
Front Matter....Pages 427-427
The genetics of actinorhizal Frankia : A review....Pages 429-453
Back Matter....Pages 455-460