1. Green manure production of Azolla microphylla and Sesbania rostrata and their long-term effects on rice yields and soil fertility

   • W. Ventura
   • I. Watanabe

   OriginalPaper Pages: 241 - 248

2. Mineralization of nitrogen in fertilizer-acidified lime-amended soils

   • D. E. Clay
   • C. E. Clapp
   • J. A. E. Molina

   OriginalPaper Pages: 249 - 252

3. Reduction of bacterial growth by a vesicular-arbuscular mycorrhizal fungus in the rhizosphere of cucumber (Cucumis sativus L.)

   • H. Christensen
   • I. Jakobsen

   OriginalPaper Pages: 253 - 258

4. Rhizodeposition and net release of soluble organic compounds by pine and beech seedlings inoculated with rhizobacteria and ectomycorrhizal fungi

   • Corinne Leyval
   • Jacques Berthelin

   OriginalPaper Pages: 259 - 267

5. Changes in soil organic matter and net nitrogen mineralization in heathland soils, after removal, addition or replacement of litter from Erica tetralix or Molinia caerulea

   • Margret M. I. Van Vuuren
   • Frank Berendse

   OriginalPaper Pages: 268 - 274

6. Population size and N₂-fixing activity of native peanut rhizobia in soils of Thailand

   • N. Boonkerd
   • P. Wadisirisuk
   • B. D. Kishinevsky

   OriginalPaper Pages: 275 - 278

7. Effects of liming on organic matter decomposition and phosphorus extractability in an acid humic Ranker soil from northwest Spain

   • L. M. Condron
   • H. Tiessen
   • J. W. B. Stewart

   OriginalPaper Pages: 279 - 284

8. The release and plant uptake of nitrogen from some plant and animal manures

   • R. M. Rees
   • L. Yan
   • M. Ferguson

   OriginalPaper Pages: 285 - 293

9. Influence of a vesicular-arbuscular mycorrhizal fungus on the competitive ability of Bradyrhizobium spp. for nodulation of cowpea Vigna unguiculata (L.) Walp in non-sterilized soil

   • T. R. Thiagarajan
   • M. H. Ahmad

   OriginalPaper Pages: 294 - 296

10. Priming effects of ¹⁵N-labelled ammonium nitrate on uptake of soil N by wheat (Triticum aestivum L.) under field conditions

    • A. Hamid
    • M. Ahmad

    OriginalPaper Pages: 297 - 300

11. Hexosamines in the organic layer of two beech forest soils: effects of mesofauna exclusion

    • G. Scholle
    • R. G. Joergensen
    • V. Wolters

    OriginalPaper Pages: 301 - 307

12. Leaching of genetically modified Pseudomonas fluorescens through intact soil microcosms: Influence of soil type

    • Eric Paterson
    • Jane S. Kemp
    • Kenneth Killham

    OriginalPaper Pages: 308 - 314