The effect of root temperature on the induction of nitrate reductase activities and nitrogen uptake rates in arctic plant species Owen K. AtkinW. Raymond Cummins Research Article Pages: 187 - 197
Persistence and recovery of introduced Rhizobium ten years after inoculation on Leucaena leucocephala grown on an Alfisol in southwestern Nigeria N. SangingaS. K. A. DansoA. A. Ojeifo Research Article Pages: 199 - 204
Implications of calcium nutrition on the response of Phaseolus vulgaris L. to salinity Pilar CachorroAntonio OrtizAntonio Cerdá Research Article Pages: 205 - 212
Phosphorus depletion in the rhizosphere as influenced by soil moisture Tara Singh GahooniaSherow RazaNiels Erik Nielsen Research Article Pages: 213 - 218
Phytoavailability of phosphate adsorbed on ferrihydrite, hematite, and goethite G. GuzmanE. AlcantaraJ. Torrent Research Article Pages: 219 - 225
Enzymic degradation of phenolic materials in peatlands — measurement of phenol oxidase activity A. PindC. FreemanM. A. Lock Research Article Pages: 227 - 231
Direct assessment of symbiotically fixed nitrogen in the rhizosphere of alfalfa M. P. RusselleD. L. AllanC. J. P. Gourley Research Article Pages: 233 - 243
Vertical distribution of maize roots in relation to permanent soil characteristics B. NicoullaudD. KingF. Tardieu Research Article Pages: 245 - 254
Inorganic and organic P in soil solutions from three upland soils Charles A. ShandAlan E. S. MacklonShona Smith Research Article Pages: 255 - 264
Effects of aluminium on the peanut (Arachis hypogaea L.)/ Bradyrhizobium symbiosis D. J. BradyD. G. EdwardsC. J. Asher Research Article Pages: 265 - 276
The in vitro screening of 118 Trichoderma isolates for antagonism to Rhizoctonia solani and an evaluation of different environmental sites of Trichoderma as sources of aggressive strains D. J. AskewM. D. Laing Research Article Pages: 277 - 281
Biocide manipulation of N flow to investigate root/microbe competition in forest soil Nicola JamiesonKenneth Killham Research Article Pages: 283 - 290
Effect of IAA on symbiotic germination of an Australian orchid and its production by orchid-associated bacteria K. G. WilkinsonK. W. DixonE. L. Ghisalberti Short Communication Pages: 291 - 295
Triphenyltetrazolium chloride as an indicator of fine-root vitality and environmental stress in coniferous forest stands: Applications and limitations Anna Clemensson-Lindell Short Communication Pages: 297 - 300
The 2,4-D-induced wheat para-nodules are modified lateral roots with structure enhanced by rhizobial inoculation Perigio B. Francisco Jr.Shoichiro Akao Erratum Pages: 121 - 129