Table Of Content

Plant and Soil 143: 321-323, 1992. Contents of Volume 143 1992 Volume 143, No. 1 C. E. Prescott, J. P. Corbin and D. Parkinson, Immobilization and availability of N and P in the forest floors of fertilized Rocky Mountain coniferous forests R. M. Monaghan and D. Barraclough, Some chemical and physical factors affecting the rate and dynamics of nitrification in urine-affected soil J. S. Bailey, Effects of gypsum on the uptake, assimilation and cycling of 15N-labelled ammonium and nitrate-N by perennial ryegrass F. H. Brække, Root biomass changes after drainage and fertilization of a low-shrub pine bog S. B. Wuest and K. G. Cassman, Effects of variations in soil water potential, depth of N place- ment, and cultivar on postanthesis N uptake by wheat H. Flessa and W. R. Fischer, Plant-induced changes in the redox potentials of rice rhizospheres D. L. Osmond, D. J. Lathwell and S. J. Riha, Prediction of long-term fertilizer nitrogen require- ments of maize in the tropics using a nitrogen balance model B. Gworek, Lead inactivation in soils by zeolites M. S. El-Abyad, A. M. Abu-Taleb and M. S. Khalil, Impact of salinity stress on soil-borne fungi of sugarbeet. Ill. Plant cell wall-degrading enzymes by Rhizoctonia solani Kihn and Sclerotium rolfsii Sacc. in vivo and in vitro S. A. Materechera, A. R. Dexter, A. M. Alston and J. M. Kirby, Growth of seedling roots in response to external osmotic stress by polyethylene glycol 20,000 M. S. Cox and S. A. Barber, Soil phosphorus levels needed for equal P uptake from four soils with different water contents at the same water potential S. Olsson and B. Gerhardson, Effects of long-term barley monoculture on plant-affecting soil microbiota |. Safafik and H. Santrückovä, Direct determination of total soil carbohydrate content E. M. Birk, Nitrogen availability in radiata pine plantations on former pasture sites in southern New South Wales K. A. Oglesby and J. H. Fownes, Effects of chemical composition on nitrogen mineralization from green manures of seven tropical leguminous trees S. B. Sharma, F. Waliyar, P. Subrahmanyam and B. J. Ndunguru, Role of Scutellonema clathricaudatum in etiology of groundnut growth variability in Niger Short communications H. F. Bienfait and M. R. Scheffers, Some properties of ferric citrate relevant to the iron nutrition of plants P. |. Orphanos, Inhibition of ammonium sulphate nitrification by methylpyrazol in a highly cal- careous soil K. Turnau, J. Mitka and A. Kedzierska, Mycorrhizhal status of herb-layer plants in a fertilized oak- pine forest Acknowledgement 322 Volume 143, No. 2 A. B. Rosenani and H. A. Chulan, Availability of nitrogen from 15N-labelled Azolla pinnata and urea to flooded rice D. R. Parker, J. J. Aguilera and D. N. Thomason, Zinc-phosphorus interactions in two cultivars of tomato (Lycopersicon esculentum L.) grown in chelator-buffered nutrient solutions M. D. Cahn, D. R. Bouldin and M. S. Cravo, Nitrate sorption in the profile of an acid soil T. S. Gahoonia and N. E. Nielsen, The effects of root-induced pH changes on the depletion of inorganic and organic phosphorus in the rhizosphere C. Nguyen, W. Yan, F. Le Tacon and F. LaPeyrie, Genetic variability of phosphate solubilizing activity by monocaryotic and dicaryotic mycelia of the ectomycorrhizal fungus Laccaria bicolor (Maire) P.D. Orton J. V. Colpaert and J. A. van Assche, Zinc toxicity in ectomycorrhizal Pinus sylvestris E. J. A. Spaans and J. M. Baker, Calibration of Watermark soil moisture sensors for soil matric potential and temperature B. Ninet, G. L. Grundmann and A. Chalamet, Aeration status in the root zone of maize in relation to soil water content W. A. Norvell and E. E. Cary, Potential errors caused by roots in analyses of rhizosphere soil K. W. Smilde, B. van Luit and W. van Driel, The extraction by soil and absorption by plants of applied zinc and cadmium G. Brown and K. Brinkmann, Heavy metal tolerance in Festuca ovina L. from contaminated sites in the Eifel Mountains, Germany L. Metzger, |. Fouchault, C. Glad, R. Prost and D. Tepfer, Estimation of cadmium availability using transformed roots D. L. Jones and P. R. Darrah, Re-sorption of organic components by roots of Zea mays L. and its consequences in the rhizosphere. |. Re-sorption of 14C labelled glucose, mannose and citric acid W. Stepniewski and G. Przywara, The influence of soil oxygen availability on yield and nutrient uptake (N, P, K, Ca, Mg, Na) by winter rye (Secale cereale) B. D. Kishinevsky, D. Sen and R. W. Weaver, Effect of high root temperature on Bradyrhizobium- peanut symbiosis R. L. Hendrick and K. S. Pregitzer, Spatial variation in tree root distribution and growth associated with minirhizotrons B. Mandal, S. C. Das and L. N. Mandal, Effect of growth and subsequent decomposition of cyanobacteria on the transformation of phosphorus in submerged soils A. H. Wissemeier and W. J. Horst, Effect of light intensity on manganese toxicity symptoms and callose formation in cowpea (Vigna unguiculata (L.) Walp.) Short communication D. W. Johnson and S. E. Smith, Response to NaCl of alfalfa plants regenerated from non-saline callus cultures Instructions to authors Contents of Volume 143 Erratum K. Tan, W. G. Keltjens and G. R. Findenegg, Acid soil damage in sorghum genotypes: Role of magnesium deficiency and root impairment. Plant and Soil, Volume 139, Number 2 (1992), pages 149-155