Physiological and symbiotic characteristics of fast-growingRhizobium japonicum Mark D. StowersAllan R. J. Eaglesham OriginalPaper Pages: 3 - 14
Effect of soil compaction on root growth and uptake of phosphorus J. ShierlawA. M. Alston OriginalPaper Pages: 15 - 28
Utilization of the tricarboxylic acid cycle intermediates and symbiotic effectiveness inRhizobium meliloti H. AntounL. M. BordeleauRenee Sauvageau OriginalPaper Pages: 29 - 38
Statistical distributions of root maximum growth pressures, root buckling stresses, and soil penetration strengths J. S. HewittA. R. Dexter OriginalPaper Pages: 39 - 51
Effect of gibberellins and the growth retardant CCC on the nodulation of soya P. M. WilliamsMargarita Sicardi de Mallorca OriginalPaper Pages: 53 - 60
Competitive interaction between two leaf morph populations of white clover in relation to soil nitrogen P. PradhanR. S. Tripathi OriginalPaper Pages: 61 - 72
Copper deficiency inPinus radiata planted in a podzol in Victoria, Australia N. D. Turvey OriginalPaper Pages: 73 - 86
Oxidation of elemental-S in coastal-dune sands and soils Ute SkibaM. Wainwright OriginalPaper Pages: 87 - 95
Responses of guayule (Parthenium argentatum) seedlings to plant growth promoting fluorescent pseudomonads M. W. OlsenI. J. Misaghi OriginalPaper Pages: 97 - 101
Growth promotion and inhibition by antibiotic-producing fluorescent pseudomonads on citrus roots John M. GardnerJuan L. ChandlerAlbert W. Feldman OriginalPaper Pages: 103 - 113
Nouvelle méthode pour mesurerin situ l'activité nitrogénase par réduction de l'acétylène N. DesperrierJ. C. BaccouN. Paris-Pireyre OriginalPaper Pages: 115 - 124
Nitrate reductase and glutamine synthetase activity in leaves and roots of nitrate-fedHelianthus annuus L. J. J. KaiserO. A. M. Lewis Short Communication Pages: 127 - 130