Nitrogen mineralization in native cultivated and abandoned fields in shortgrass steppe Tamiko IhoriIngrid C. BurkePaul B. Hook Research Article Pages: 203 - 208
Phosphate immobilisation in an uncropped field experiment on a calcareous soil J. Vanderdeelen Research Article Pages: 209 - 215
Growth and carbon economy of a fast-growing and a slow-growing grass species as dependent on nitrate supply Hendrik PoorterClaudius A. D. M. van de VijverHans Lambers Research Article Pages: 217 - 227
Mechanisms of Fe-efficiency in roots of Vitis spp. in response to iron deficiency stress L. BrancadoroG. RabottiG. Zocchi Research Article Pages: 229 - 234
Oat residue and soil compaction influences on common root rot (Aphanomyes euteiches) of peas in a fine-textured soil V. A. FritzR. R. AllmarasD. W. Davis Research Article Pages: 235 - 244
Acidification of a kaolinitic Alfisol under continuous cropping with nitrogen fertilization in West Africa A. S. R. JuoA. DabiriK. Franzluebbers Research Article Pages: 245 - 253
Intraspecific variation of conifer phenolic concentration on a marine terrace soil acidity gradient; a new interpretation Robert R. NorthupRandy A. DahlgrenZengshou Yu Research Article Pages: 255 - 262
Uptake of soil cadmium by three field crops and its prediction by a pH-dependent Freundlich sorption model P. Del CastilhoW.J. Chardon Research Article Pages: 263 - 266
Effect of ammonium and nitrate on net photosynthesis, flower formation, growth and yield of eggplants (Solanum melongena L.) W. ClaussenF. Lenz Research Article Pages: 267 - 274
Initial responses of maize and beans to decreased concentrations of monomeric inorganic aluminium with application of manure or tree prunings to an Oxisol in Burundi M. T. F. WongE. AkyeampongR. S. Swift Research Article Pages: 275 - 282
Root demography of mature citrus trees: the influence of Phytophthora nicotianae Kevin R. KosolaDavid M. EissenstatJames H. Graham Research Article Pages: 283 - 288
Effect of NH4 +:NO3 - ratios on growth and nitrogen uptake by onions C. AbbèsL. E. ParentD. Isfan Research Article Pages: 289 - 296
Nutrient uptake relationship to root characteristics of rice Yan Hock TeoCraig A. BeyroutyEdward E. Gbur Research Article Pages: 297 - 302
Effect of wastewater sludge on growth and heavy metal bioaccumulation of two Salix species Michel LabrecqueTraian I. TeodorescuStéphane Daigle Research Article Pages: 303 - 316
A method for screening rice plants for salt tolerance M. A. M. ChowdhuryB. MosekiD. J. F. Bowling Research Article Pages: 317 - 322
Rates of net nitrogen mineralization in disturbed and undisturbed soils Roland StengerEckart PriesackFriedrich Beese Research Article Pages: 323 - 332
Citric acid in tomato plant roots and its effect on cadmium uptake and distribution M. H. M. N. SendenA. J. G. M. van der MeerH. Th. Wolterbeek Research Article Pages: 333 - 339
Metal distribution across different pools in the organic layer of a forest under acid deposition and its consequences for the metal dynamics Wim W. WesselAlbert Tietema Research Article Pages: 341 - 350
Influence of root density on the critical soil water potential E. V. SheinYa. A. Pachepsky Research Article Pages: 351 - 357
Studies of two Frankia strains isolated from Trevoa trinervis Miers Alicia CarrascoJames R. SalyardsAlison M. Berry Short Communication Pages: 359 - 363
The influence of fertilizer nitrogen and season on the carbon-13 abundance of wheat straw D. S. JenkinsonK. ColemanD. D. Harkness Short Communication Pages: 365 - 367