1. Solubilization of hydroxyapatite by Enterobacter agglomerans and cloned Escherichia coli in culture medium

   • K. Y. Kim
   • G. A. McDonald
   • D. Jordan

   ORIGINAL PAPER Pages: 347 - 352

2. Short- and long-term effects of ammonium on photodependent nitrogen fixation in wetland rice fields of Spain

   • E. Fernández Valiente
   • A. Quesada
   • A. Ucha

   ORIGINAL PAPER Pages: 353 - 357

3. Phosphate-solubilizing rhizobacteria enhance the growth and yield but not phosphorus uptake of canola (Brassica napus L.)

   • J. R. de Freitas
   • M. R. Banerjee
   • J. J. Germida

   ORIGINAL PAPER Pages: 358 - 364

4. Response of spring wheat (Triticum aestivum) to interactions between Pseudomonas species and Glomus clarum NT4

   • F. L. Walley
   • J. J. Germida

   ORIGINAL PAPER Pages: 365 - 371

5. Effects of animal manure application and crop plants upon size and activity of soil microbial biomass under organically grown spring barley

   • K. Ritz
   • R. E. Wheatley
   • B. S. Griffiths

   ORIGINAL PAPER Pages: 372 - 377

6. Application of an augmented nitrification assay to elucidate the effects of a spring barley crop and manures on temporal variations in rates

   • R. E. Wheatley
   • K. Ritz
   • B. S. Griffiths

   ORIGINAL PAPER Pages: 378 - 383

7. Effects of litter (beech and stinging nettle) and earthworms (Octolasion lacteum) on carbon and nutrient cycling in beech forests on a basalt-limestone gradient: A laboratory experiment

   • S. Scheu

   ORIGINAL PAPER Pages: 384 - 393

8. Effects of Sesbania rostrata and Azolla microphylla incorporation on transformation of applied zinc and copper in lateritic rice soils with different flooding regimes

   • B. Mandal
   • K. Bhattacharya
   • L. N. Mandal

   ORIGINAL PAPER Pages: 394 - 398

9. Effect of continuous and alternate water regimes on methane efflux from rice under greenhouse conditions

   • S. Mishra
   • A. K. Rath
   • N. Sethunathan

   ORIGINAL PAPER Pages: 399 - 405

10. Effects of N fertilizer treatments on biologically active N pools in soils under plow and no tillage

    • G. W. McCarty
    • J. J. Meisinger

    ORIGINAL PAPER Pages: 406 - 412

11. Improved diffusion methods for determination of inorganic nitrogen in soil extracts and water

    • R. L. Mulvaney
    • S. A. Khan
    • C. S. Mulvaney

    ORIGINAL PAPER Pages: 413 - 420

12. Seasonal responses in microbial biomass carbon, phosphorus and sulphur in soils under pasture

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

    ORIGINAL PAPER Pages: 421 - 428

13. Changes in the microbial activity of an arid soil amended with urban organic wastes

    • J. A. Pascual
    • C. García
    • M. Ayuso

    ORIGINAL PAPER Pages: 429 - 434

14. Does leaf litter quality influence population parameters of the common woodlouse, Porcellio scaber (Crustacea: Isopoda)?

    • M. Zimmer
    • W. Topp

    ORIGINAL PAPER Pages: 435 - 441

15. Micrometeorological mass balance technique for measuring CH4 emission from stored cattle slurry

    • R. Z. Khan
    • C. Müller
    • S. G. Sommer

    SHORT COMMUNICATION Pages: 442 - 444