Rate of differentiation and emergence of nodal maize roots Sylvain Pellerin Research Article Pages: 155 - 161
Availability and uptake of inorganic nitrogen in a mixed old-growth coniferous forest David P. TurnerPhillip SollinsNathan Rudd Research Article Pages: 163 - 174
Phosphorus fractions in soil solution: Influence of soil acidity and fertiliser additions M. D. Ron VazA. C. EdwardsM. S. Cresser Research Article Pages: 175 - 183
Soil chemical properties excluding field-layer species from beech forest mor Ursula Falkengren-GrerupGermund Tyler Research Article Pages: 185 - 191
Nitrogen transformation in soil treated with 15N labelled dried or composted ryegrass P. ZaccheoL. CrippaP. L. Genevini Research Article Pages: 193 - 201
Selection for increased nodule number in common bean (Phaseolus vulgaris L.) P. A. A. PereiraB. D. MirandaF. A. Bliss Research Article Pages: 203 - 209
Length densities, occupancies and weights of apple root systems K. A. HughesP. W. Gandar Research Article Pages: 211 - 221
Leaf area and crop growth in relation to phenology of barley in Mediterranean environments E. J. Van OosteromE. Acevedo Research Article Pages: 223 - 237
Response of Cynodon dactylon to prolonged water deficits under saline conditions D. A. DevittD. C. BowmanP. J. Schulte Research Article Pages: 239 - 251
Soil boron and selenium removal by three plant species G. S. BańuelosG. E. CardonS. Zambrzuski Research Article Pages: 253 - 263
Nodule distribution on the roots of soybean and a supernodulating mutant in sand-vermiculite Gustavo Caetano-AnollésPeter M. Gresshoff Research Article Pages: 265 - 270
Effects of drought and root injury on plant-generated CS2 emissions in soil P. G. HartelR. E. Reeder Research Article Pages: 271 - 276
Microbial effects in maintaining organic and inorganic solution phosphorus concentrations in a grassland topsoil Björn SeelingRobert J. Zasoski Research Article Pages: 277 - 284
Presence of sporangia of Frankia in the rhizosphere of Discaria (Rhamnaceae) M. S. CusatoR. D. Tortosa Research Article Pages: 285 - 288
Establishment of willow cuttings grown in porous membrane root envelopes Allan P. Drew Short Communication Pages: 289 - 293