1. Interspecies competition and N transfer in a tropical grass-legume mixture

   • W. S. Trannin
   • S. Urquiaga
   • G. Cadisch

   ORIGINAL PAPER Pages: 441 - 448

2. Influences of organic fertilization and solarization in a greenhouse on particle-size fractions of a Mediterranean sandy soil

   • L. Thuriès
   • M.-C. Larré-Larrouy
   • C. Feller

   ORIGINAL PAPER Pages: 449 - 457

3. Variability in Azolla sporulation in response to phosphorus application

   • P. P. Kar
   • S. Mishra
   • D. P. Singh

   ORIGINAL PAPER Pages: 458 - 462

4. Vertical distribution of earthworms in grassland soils of the Colombian Llanos

   • J. J. Jiménez
   • T. Decaëns

   ORIGINAL PAPER Pages: 463 - 473

5. Nitrous oxide emission from different fertilizers and its mitigation by nitrification inhibitors in irrigated rice

   • U. Kumar
   • M. C. Jain
   • D. Majumdar

   ORIGINAL PAPER Pages: 474 - 478

6. Kinetic parameters of dehydrogenase in the assessment of the response of soil to vermicompost and inorganic fertilisers

   • G. Masciandaro
   • B. Ceccanti
   • C. Bauer

   ORIGINAL PAPER Pages: 479 - 483

7. Combined effects of soil waterlogging and compaction on rice (Oryza sativa L.) growth, soil aeration, soil N transformations and 15N discrimination

   • W. M. H. G. Engelaar
   • Taigo Matsumaru
   • Tadakatsu Yoneyama

   ORIGINAL PAPER Pages: 484 - 493

8. Lowest effective and optimum poultry manure dose for reclaiming burnt soils: pot experiments

   • A. Castro
   • S. J. González-Prieto
   • T. Carballas

   ORIGINAL PAPER Pages: 494 - 499

9. Quantifying microbial biomass phosphorus in acid soils

   • J. Wu
   • Z.-L. He
   • J. K. Syers

   ORIGINAL PAPER Pages: 500 - 507

10. Vertical distribution of Collembola (Hexapoda) and their food resources in organic horizons of beech forests

    • J.-F. Ponge

    ORIGINAL PAPER Pages: 508 - 522