1. Placement effects of organic sources on nitrogenase activity and nitrogen-fixing bacteria in flooded rice soils

   • P. K. Kanungo
   • B. Ramakrishnan
   • V. Rajaramamohan Rao

   ORIGINAL PAPER Pages: 103 - 108

2. Short-term effect of wildfire on the chemical, biochemical and microbiological properties of Mediterranean pine forest soils

   • T. Hernández
   • C. García
   • I. Reinhardt

   ORIGINAL PAPER Pages: 109 - 116

3. Extracellular phosphomono- and phosphodiesterase associated with and released by the roots of barley genotypes: a non-destructive method for the measurement of the extracellular enzymes of roots

   • F. Asmar
   • G. Gissel-Nielsen

   ORIGINAL PAPER Pages: 117 - 122

4. Population dynamics of Enchytraeidae (Oligochaeta) in different agricultural systems

   • P. C. J. van Vliet
   • D. C. Coleman
   • P. F. Hendrix

   ORIGINAL PAPER Pages: 123 - 129

5. Fate and recovery of 15N derived from grass/clover residues when incorporated into a soil and cropped with spring or winter wheat for two succeeding seasons

   • R. J. Haynes

   ORIGINAL PAPER Pages: 130 - 135

6. Effect of timing of application of municipal solid waste compost on N availability for crops in central Spain

   • L. Sánchez
   • J. A. Díez
   • R. Román

   ORIGINAL PAPER Pages: 136 - 141

7. Influence of tillage system on denitrification in maize-cropped soils

   • R. M. Palma
   • M. Rímolo
   • M. E. Conti

   ORIGINAL PAPER Pages: 142 - 146

8. Interaction of the fungicide mancozeb and Rhizobium sp. in pure culture and under field conditions

   • S. Castro
   • Marta Vinocur
   • Adriana Fabra

   ORIGINAL PAPER Pages: 147 - 151

9. Partitioning and translocation of photosynthetically fixed 14C in grazed hill pastures

   • S. Saggar
   • C. Hedley
   • A. D. Mackay

   ORIGINAL PAPER Pages: 152 - 158

10. A non-radioactive DNA probe for detecting dicyandiamide-degrading soil bacteria

    • N. Teaumroong
    • C. Schwarzer
    • K. Haselwandter

    ORIGINAL PAPER Pages: 159 - 162

11. Limitations to using benomyl in evaluating mycorrhizal functioning

    • C. T. Pedersen
    • D. M. Sylvia

    ORIGINAL PAPER Pages: 163 - 168

12. Renodulation and characterization of Rhizobium isolates from cicer milkvetch (Astragalus cicer L.)

    • Z. Zhao
    • S. E. Williams
    • G. E. Schuman

    ORIGINAL PAPER Pages: 169 - 174

13. Transformation and bioavailability of specifically sorbed phosphate on variable-charge minerals in soils

    • Z. L. He
    • J. Zhu

    ORIGINAL PAPER Pages: 175 - 181

14. Soil carbon and nitrogen dynamics as affected by long-term tillage and nitrogen fertilization

    • J. R. Salinas-Garcia
    • F. M. Hons
    • D. A. Zuberer

    ORIGINAL PAPER Pages: 182 - 188

15. Evaluation of soil solar heating for control of damping-off fungi in two forest nurseries in France

    • B. Le Bihan
    • P. Camporota
    • R. Perrin

    ORIGINAL PAPER Pages: 189 - 195

16. Water-extractable soil carbon in relation to the belowground carbon cycle

    • R. Jandl
    • P. Sollins

    ORIGINAL PAPER Pages: 196 - 201

17. Repair of a compacted Oxisol by the earthworm Pontoscolex corethrurus (Glossoscolecidae, Oligochaeta)

    • P. R. Zund
    • U. Pillai-McGarry
    • S. G. Bray

    ORIGINAL PAPER Pages: 202 - 208

18. Nodulation of African yam bean (Sphenostylis stenocarpa) by Bradyrhizobium sp. isolated from Erythrina brucei

    • F. Assefa
    • D. Kleiner

    SHORT COMMUNICATION Pages: 209 - 210