Determination of the phytotoxicity of barium in leach-field disposal of gas well brines M. L. CipolliniJ. L. Pickering OriginalPaper Pages: 159 - 169
Acetylene reduction in gnotobiotic cultures with rhizosphere bacteria and wheat Torbjörn LindbergUlf Granhall OriginalPaper Pages: 171 - 180
Wheat root growth and seasonal water use as affected by irrigation under shallow water table conditions R. P. TripathiR. K. Mishra OriginalPaper Pages: 181 - 188
Fixation de l'azote atmosphérique et assimilation du nitrate chez le fenugrec (Trigonella foenum graecum L.) cultivé au champ N. DesperrierJ. C. BaccouY. Sauvaire OriginalPaper Pages: 189 - 199
Growth responses of selected clones of birch (Betula pendula roth.,B. pubescens Ehrh.) and willow (Salix caprea L.,S. cinerea L.) to nitrogen in solution culture J. E. G. GoodT. G. Williams OriginalPaper Pages: 209 - 222
Effects of vegetation on the emission of methane from submerged paddy soil A. Holzapfel-PschornR. ConradW. Seiler OriginalPaper Pages: 223 - 233
Effect of legume understorey on decomposition and nutrient content of eucalypt forest litter A. M. O'connell OriginalPaper Pages: 235 - 248
The nitrogen fixing potential ofVicia faba rhizobia (R. leguminosarum) from different agricultural locations F. K. SorwliL. R. Mytton OriginalPaper Pages: 249 - 254
Etudein vitro de la reprise de la respiration racinaire chez la Moutarde et le Colza après une période de sécheresse Nicole VartanianMichéle Chauveau OriginalPaper Pages: 255 - 264
Sorption and bioavailability of phosphorus during the drainage period of flooded-drained soils R. N. SahD. S. Mikkelsen OriginalPaper Pages: 265 - 278
Effects of seasonal changes of soil salinity and soil nitrogen on the N-metabolism of the halophyteArthrocnemum fruticosum (L.) Moq. Henk DoddemaRaja'a Saad EddinAdel Mahasneh OriginalPaper Pages: 279 - 293
Populations in Saskatchewan soils of spore-perforating amoebae and an amoeba (Thecamoeba granifera s.sp.minor) which feeds on hyphae ofCochliobolus sativus L. J. Duczek Short Communications Pages: 295 - 298
A convenient autoradiographic technique for study of uptake of minerals by plant roots and the effects of environmental factors upon the process J. O. BeckerE. MessensR. W. Hedges Short Communications Pages: 299 - 302
Microbial growth on polluted leaf and litter leachates: Effects on leachate pH and sulphate concentration Wendy NevellM. Wainwright Short Communications Pages: 303 - 308
Comparison of the host range of fast-growingR. japonicum strains with a fast-growing isolate from Lablab N. A. MorrisonM. J. TrinickB. G. Rolfe Short Communications Pages: 313 - 317
