The contribution of biological nitrogen fixation to plant production: An overview of the symposium and its implications P. H. GrahamJ. BaleE. Craswell OriginalPaper Pages: 1 - 6
The role of biological nitrogen fixation research in solving problems in tropical agriculture E. F. Henzell OriginalPaper Pages: 15 - 21
A new acid-tolerant nitrogen-fixing bacterium associated with sugarcane Vladimir A. CavalcanteJ. Dobereiner OriginalPaper Pages: 23 - 31
Nitrogen fixation (15N dilution) with soybeans under Thai field conditions R. M. N. KuceyP. SnitwongseR. J. Rennie OriginalPaper Pages: 33 - 41
Quantification of N2-fixation and survival of inoculated diazotrophs associated with roots of Kallar grass K. A. MalikRakhshanda BilalM. I. Sajjad OriginalPaper Pages: 43 - 51
Nitrogen fixation associated with grasses and cereals: Recent results and perspectives for future research R. M. BoddeyJ. Dobereiner OriginalPaper Pages: 53 - 65
Adaptation of exotic Azolla to tropical environment of Thailand S. ChoonluchanonN. BoonkerdP. Sawatdee OriginalPaper Pages: 67 - 70
Effects of Rhizobium inoculation on growth and nodulation ofAlbizia falcataria (L.) Fosh. andAcacia mangium Willd. in the nursery Mercedes Umali-GarciaJuliana S. LibuitRogelio L. Baggayan OriginalPaper Pages: 71 - 78
Growth responses inCasuarina cunninghamiana plantings to inoculation withFrankia Paul ReddellP. A. RosbrookD. Gwaze OriginalPaper Pages: 79 - 86
Nitrogen fixation (15N dilution) with soybeans under Thai field conditions R. M. N. KuceyP. ChaiwanakuptN. Boonkerd OriginalPaper Pages: 87 - 92
Mineral constraints to nitrogen fixation Graham W. O'haraNantakorn BoonkerdMichael J. Dilworth OriginalPaper Pages: 93 - 110
Growth of three legume trees inoculated with VA mycorrhizal fungi and Rhizobium R. E. Dela CruzM. Q. ManaloJ. D. Tambalo OriginalPaper Pages: 111 - 115
Enhancement of nitrogen fixation in lentil, faba bean, and soybean by dual inoculation with Rhizobia and mycorrhizae S. M. S. Badr El-DinH. Moawad OriginalPaper Pages: 117 - 123
Measurement of N2 fixation in maize (Zea mays L.)—ricebean (Vigna umbellata [Thunb.] Ohwi and Ohashi) intercrops b. RerkasemK. RerkasemF. J. Bergersen OriginalPaper Pages: 125 - 135
Persistence and competitiveness of threeBradyrhizobium japonicum inoculant strains in clay loam Nile valley soil H. MoawadS. M. S. Badr El-DinM. A. Khalafallah OriginalPaper Pages: 137 - 141
Adaptation of methods for evaluating N2 fixation in food legumes and legume cover crops M. NorhayatiS. Mohd NoorF. J. Bergersen OriginalPaper Pages: 143 - 150
Yields and nitrogen nutrition of intercropped maize and ricebean (Vigna umbellata [Thumb.] Ohwi and Ohashi) K. RerkasemB. Rerkasem OriginalPaper Pages: 151 - 162
Evaluation of the symbiotic nitrogen-fixing potential of soils by direct microbiological means John BrockwellRosemary A. HollidayAnn Pilka OriginalPaper Pages: 163 - 170
The effectiveness of some Indonesian strains of Rhizobium on four tropical legumes D. P. NurhayatiA. DiatloffE. H. Hoult OriginalPaper Pages: 171 - 177
Rhizobium phaseoli: A molecular genetics view E. MartinezM. FloresR. Palacios OriginalPaper Pages: 179 - 184
Taxonomic status ofAnabaena azollae: An overview J. PlazinskiC. FrancheB. G. Rolfe OriginalPaper Pages: 185 - 190
Future directions for biological nitrogen fixation research B. L. DreyfusH. G. DiemY. R. Dommergues OriginalPaper Pages: 191 - 199