Availability of nitrogen from 15N-labelled Azolla pinnata and urea to flooded rice A. B. RosenaniH. Azizah Chulan OriginalPaper Pages: 153 - 161
Zinc-phosphorus interactions in two cultivars of tomato (Lycopersicon esculentum L.) grown in chelator-buffered nutrient solutions D. R. ParkerJ. J. AguileraD. N. Thomason OriginalPaper Pages: 163 - 177
Nitrate sorption in the profile of an acid soil M. D. CahnD. R. BouldinM. S. Cravo OriginalPaper Pages: 179 - 183
The effects of root-induced pH changes on the depletion of inorganic and organic phosphorus in the rhizosphere Tara Singh GahooniaNiels Erik Nielsen OriginalPaper Pages: 185 - 191
Genetic variability of phosphate solubilizing activity by monocaryotic and dicaryotic mycelia of the ectomycorrhizal fungus Laccaria bicolor (Maire) P.D. Orton C. NguyenW. YanF. Lapeyrie OriginalPaper Pages: 193 - 199
Zinc toxicity in ectomycorrhizal Pinus sylvestris Jan V. ColpaertJozef A. Van Assche OriginalPaper Pages: 201 - 211
Calibration of Watermark soil moisture sensors for soil matric potential and temperature Egbert J. A. SpaansJohn M. Baker OriginalPaper Pages: 213 - 217
Aeration status in the root zone of maize in relation to soil water content B. NinetG. L. GrundmannA. Chalamet OriginalPaper Pages: 219 - 222
Potential errors caused by roots in analyses of rhizosphere soil W. A. NorvellE. E. Cary OriginalPaper Pages: 223 - 231
The extraction by soil and absorption by plants of applied zinc and cadmium K. W. SmildeB. Van LuitW. Van Driel OriginalPaper Pages: 233 - 238
Heavy metal tolerance in Festuca ovina L. from contaminated sites in the Eifel Mountains, Germany Gary BrownKlaus Brinkmann OriginalPaper Pages: 239 - 247
Estimation of cadmium availability using transformed roots Lionel MetzgerIsabelle FouchaultDavid Tepfer OriginalPaper Pages: 249 - 257
Re-sorption of organic components by roots of Zea mays L. and its consequences in the rhizosphere D. L. JonesP. R. Darrah OriginalPaper Pages: 259 - 266
The influence of soil oxygen availability on yield and nutrient uptake (N, P, K, Ca, Mg, Na) by winter rye (Secale cereale) Witold StępniewskiGrażyna Przywara OriginalPaper Pages: 267 - 274
Effect of high root temperature on Bradyrhizobium-peanut symbiosis B. D. KishinevskyD. SenR. W. Weaver OriginalPaper Pages: 275 - 282
Spatial variation in tree root distribution and growth associated with minirhizotrons Ronald L. HendrickKurt S. Pregitzer OriginalPaper Pages: 283 - 288
Effect of growth and subsequent decomposition of cyanobacteria on the transformation of phosphorus in submerged soils Biswapati MandalS. C. DasL. N. Mandal OriginalPaper Pages: 289 - 297
Effect of light intensity on manganese toxicity symptoms and callose formation in cowpea (Vigna unguiculata (L.) Walp.) A. H. WissemeierW. J. Horst OriginalPaper Pages: 299 - 309
Response to NaCl of alfalfa plants regenerated from non-saline callus cultures D. W. JohnsonS. E. Smith Short Communication Pages: 311 - 315