1. Beneficial effects of blue-green algae and Azolla, excluding supplying nitrogen, on wetland rice fields: a review

   • B. Mandal
   • P. L. G. Vlek
   • L. N. Mandal

   REVIEW ARTICLE Pages: 329 - 342

2. Long-term monitoring of microbial biomass, N mineralisation and enzyme activities of a Chernozem under different tillage management

   • E. Kandeler
   • D. Tscherko
   • H. Spiegel

   ORIGINAL PAPER Pages: 343 - 351

3. Improved quantification of active soil microfauna by a "counting crew"

   • A. Berthold
   • A. Bruckner
   • C. Kampichler

   ORIGINAL PAPER Pages: 352 - 355

4. Relationships between soil aggregation and mycorrhizae as influenced by soil biota and nitrogen nutrition

   • G. J. Bethlenfalvay
   • I. C. Cantrell
   • R. P. Schreiner

   ORIGINAL PAPER Pages: 356 - 363

5. Effects of trefoil cover crop and earthworm inoculation on maize crop and soil organisms in Reunion Island

   • J. Boyer
   • R. Michellon
   • R. Tibere

   ORIGINAL PAPER Pages: 364 - 370

6. Influence of inorganic and organic fertilization on soil microbial biomass, metabolic quotient and heavy metal bioavailability

   • L. Leita
   • M. De Nobili
   • M. Contin

   ORIGINAL PAPER Pages: 371 - 376

7. Identification and quantification of auxins in culture media of Azospirillum and Klebsiella and their effect on rice roots

   • H. El-Khawas
   • K. Adachi

   ORIGINAL PAPER Pages: 377 - 381

8. Soil organisms and carbon, nitrogen and phosphorus mineralisation in Norway spruce and mixed Norway spruce – Birch stands

   • P. Saetre
   • P.-O. Brandtberg
   • J. Bengtsson

   ORIGINAL PAPER Pages: 382 - 388

9. Seasonal variations in growth and reproduction of the earthworm Perionyx excavatus (Oligochaeta: Megascolecidae)

   • V. A. Biradar
   • S. D. Amoji
   • P. M. Biradar

   ORIGINAL PAPER Pages: 389 - 392

10. Emission of N2O from rye grass (Lolium perenne L.)

    • X. Chen
    • P. Boeckx
    • O. Van Cleemput

    ORIGINAL PAPER Pages: 393 - 396

11. Increase in denitrification capacity of soils due to addition of alkylbenzene sulfonates

    • J. K. Friedel
    • T. Langer
    • M. Kaupenjohann

    ORIGINAL PAPER Pages: 397 - 402

12. Spatial variability of N2O emissions and soil parameters of an arable silt loam – a field study

    • J. Clemens
    • M. P. Schillinger
    • B. Huwe

    SHORT COMMUNICATION Pages: 403 - 406

13. Nodulation and nitrogen fixation of Lupinus species with Bradyrhizobium (lupin) strains in iron-deficient soil

    • M. H. Abd-Alla

    ORIGINAL PAPER Pages: 407 - 415

14. Soil sulphur status following long-term annual application of animal manure and mineral fertilizers

    • J. Eriksen
    • J. V. Mortensen

    ORIGINAL PAPER Pages: 416 - 421

15. Simulation of net N immobilisation and mineralisation in substrate-amended soils by the NCSOIL computer model

    • M. Corbeels
    • G. Hofman
    • O. Van Cleemput

    ORIGINAL PAPER Pages: 422 - 430

16. Effect of organic nitrogen fertilizers on microbial populations associated with bermudagrass putting greens

    • M. L. Elliott
    • E. A. Des Jardin

    ORIGINAL PAPER Pages: 431 - 435

17. Factors influencing carbon decomposition of topsoils from the Brazilian Amazon Basin

    • L.-S. Koutika
    • T. Choné
    • C. C. Cerri

    SHORT COMMUNICATION Pages: 436 - 438