Table Of Content

Plant and Soil 157: 337-340, 1993. Contents Volume 157 (1993) Research articles In-situ determination of the P-relations around the primary root of maize with respect to inorganic and phytate-P F. Hübel, E. Beck Lupinus species differ in their requirements for iron C. Tang, A.D. Robson Factors toxic to beech (Fagus sylvatica L.) seedlings in acid soils M. Ljungström, |. Stjernquist Azospirillum affects Eh and potential denitrification in a soil A. Pidello, L. Menendez, R. Lensi Responses of a sterile red fungus to soil types, wheat varieties and the presence of certain isolates of Streptomyces D.I. Kurtböke, M. Shankar, C.Y. Rowland, K. Sivasithamparam Effects of a two-year application of ammonium sulphate on growth, nutrient uptake, and rhizosphere microflora of juvenile Douglas-fir A. Gorissen, A.E. Jansen, A.F.M. Olsthoorn Carbon and nitrogen in the root-zone of barley (Hordeum vulgare L.) supplied with nitrogen fertilizer at two rates E. Zagal, S. Bjarnason, U. Olsson Effects of soil structural discontinuity on root and shoot growth and water use of maize J. Lipiec, T. Ishioka, R. Hatano, T. Sakuma Excessive aluminium accumulation in the pea mutant E107 (brz) F.C. Guinel, T.A. LaRue The influence of shade and clouds on soil water potential: The buffered behavior of hydraulic lift K. Williams, M.M. Caldwell, J.H. Richards Mycorrhizal responses of barley cultivars differing in P efficiency J.B. Baon, S.E. Smith, A.M. Alston Effects of Mikania micrantha H.B.K. on germination and growth of weed species B.S. Ismail, L.S. Mah Evaluation of monoammonium phosphate and bacterial strains to increase tree growth and fruit yield in apple replant problem soil R.S. Utkhede, E.M. Smith 338 The 2,4-D-induced wheat para-nodules are modified lateral roots with structure en- hanced by rhizobial inoculation P.B. Francisco, Jr., S. Akao Hot water percolation (HWP): A new rapid soil extraction method Gy. Füleky, |. Czinkota Characterization of native Frankia strains isolated from chilean shrubs (Rhamnaceae) M. Card Short communications 15N Abundance of forests is correlated with losses of nitrogen P. Hôgberg, C. Johannisson Separating live and dead fine roots using colloidal silica: An example from mangrove forests A.I. Robertson, P. Dixon Research articles Differences in developmental plasticity and growth rate among drought-resistant and susceptible cultivars of durum wheat (Triticum turgidum L. var. durum) B. Simane, J.M. Peacock, P.C. Struik Estimation of potentially mineralisable nitrogen in soil by KCI extraction, |: Comparison with pot experiments K.A. Smith, S. Li Estimation of potentially mineralisable nitrogen in soil by KCI extraction, Il: Comparison with soil N uptake in the field 1.P. McTaggart, K.A. Smith Analytical study of the effects of some soil and plant parameters on root growth due to absorption of one mobile ion: A free-boundary model J.C. Reginato, D.A. Tarzia, M.A. Dzioba Nitrogen losses in puddied soils as affected by timing of water deficit and nitrogen fertilization R.J. Buresn, E.G. Castillo, S.K. De Datta The contribution of Rhizobium meliloti to soil denitrification J.l. Garcia-Plazaola, J.M. Becerril, C. Arrese-Igor, C. Gonzalez-Murua, P.M. Aparicio-Tejo Modifications of the carbon and nitrogen allocations in the plant (Triticum aestivum L.) soil system in response to increased atmospheric CO, concentration G. Billes, H. Rouhier, P. Bottner Phosphorus sorption characteristics in acid sulfate soils of Thailand: Effect of uncon- trolled and controlled soil redox potential (Eh) and pH A. Krairapanond, A. Jugsujinda, W.H. Patrick, Jr. A comparison of minirhizotron techniques for estimating root length density in soils of different bulk densities K.M. Volkmar Cd-tolerant arbuscular mycorrhizal (AM) fungi from heavy-metal polluted soils |. Weissenhorn, C. Leyval, J. Berthelin The fungus-specificity of mycorrhization helper bacteria (MHBs) used as an alternative to soil fumigation for ectomycorrhizal inoculation of bareroot Douglas-fir planting stocks with Laccaria laccata R. Duponnois, J. Garbaye, D. Bouchard, J.L. Churin Calculation of nitrogen mineralization in soil food webs P.C. de Ruiter, J.A. van Veen, J.C. Moore, L. Brussaard, H.W. Hunt A color composite technique for detecting root dynamics of barley (Hordeum vulgare L.) from minirhizotron images D.A. Heeraman, P.H. Crown, N.G. Juma Early seedling and seasonal N2-fixing symbiotic activity of two soybean [Glycine max (L.) Merr.] cultivars inoculated with Bradyrhizobium strains of diverse origin D.H. Lynch, D.L. Smith Effect of the rootstock on the occurrence of lime-induced chlorosis of potted Vitis vinifera L. cv. ‘Pinot blanc’ L. Bavaresco, P. Fraschini, A. Perino The maximum axial growth pressure of roots of spring and autumn cultivars of lupin W.R. Whalley, A.R. Dexter Modelling anion amelioration of aluminium phytotoxicity U.E. Grauer Instructions to Authors (1994) Contents Volume 157 Author Index