1. Recolonization of methyl-bromide sterilized soils by plant and soil nematodes over 52 months

   • G. W. Yeates
   • H. van der Meulen

   Original Paper Pages: 1 - 6

2. Competitive interaction among strains of Rhizobium leguminosarum bv. phaseoli in the nodulation of kidney beans (Phaseolus vulgaris L.)

   • P. D. Brown
   • M. H. Ahmad

   Original Paper Pages: 7 - 9

3. Carbon mineralization in soils of different textures as affected by water-soluble organic carbon extracted from composted dairy manure

   • B. C. Liang
   • E. G. Gregorich
   • R. P. Voroney

   Original Paper Pages: 10 - 16

4. Interactions between ¹⁴C-labelled atrazine and the soil microbial biomass in relation to herbicide degradation

   • G. Ghani
   • D. A. Wardle
   • D. R. Lauren

   Original Paper Pages: 17 - 22

5. Effects on yield and nutrition of mycorrhizal and nodulated Pueraria phaseoloides exerted by P-solubilizing rhizobacteria

   • M. Toro
   • R. Azcón
   • R. Herrera

   Original Paper Pages: 23 - 29

6. Movement of the protozoan pathogen Cryptosporidium parvum through three contrasting soil types

   • J. L. Mawdsley
   • A. E. Brooks
   • R. J. Merry

   Original Paper Pages: 30 - 36

7. Influence of conifers on the forms of phosphorus in selected New Zealand grassland soils

   • L. M. Condron
   • I. S. Cornforth
   • R. H. Newman

   Original Paper Pages: 37 - 42

8. Palatability of microfungi to soil arthropods in relation to the functioning of arbuscular mycorrhizae

   • J. N. Klironomos
   • W. B. Kendrick

   Original Paper Pages: 43 - 52

9. Effect of air flow rate, lime amendments, and chemical soil properties on the volatilization of ammonia from fertilizers applied to sandy soils

   • S. G. Sommer
   • A. K. Ersbøll

   Original Paper Pages: 53 - 60

10. Competition and persistence of Rhizobium tropici and Rhizobium etli in tropical soil during successive bean (Phaseolus vulgaris L.) cultures

    • K. Vlassak
    • J. Vanderleyden
    • A. Franco

    Original Paper Pages: 61 - 68

11. Microbial biomass and respiratory activity in soil aggregates of different sizes from three beechwood sites on a basalt hill

    • S. Scheu
    • M. Maraun
    • J. Alphei

    Original Paper Pages: 69 - 76

12. Enhanced denitrification in plots of N₂-fixing faba beans compared to plots of a non-fixing legume and non-legumes

    • S. Kilian
    • D. Werner

    Original Paper Pages: 77 - 83

13. Elemental, functional group and infrared spectroscopic analysis of actinomycete melanins from brazilian soils

    • R. C. Gomes
    • R. R. R. Coelho
    • A. S. Mangrich

    Original Paper Pages: 84 - 88

14. Seasonal variation in extracted proteases and relationship to overall soil protease and exchangeable ammonia in paddy soils

    • K. Watanabe
    • K. Hayano

    Original Paper Pages: 89 - 94

15. Agricultural factors affecting methane oxidation in arable soil

    • M. A. Syamsul Arif
    • F. Houwen
    • W. Verstraete

    Original Paper Pages: 95 - 102

16. Yield and nitrogen response of lowland rice (Oryza sativa L.) to Sesbania rostrata and Aeschynomene afraspera green manure in different marginally productive soils in the Philippines

    • K. H. Dickmann
    • J. C. G. Ottow
    • S. K. De Datta

    Original Paper Pages: 103 - 108

17. Mechanisms of production of soil protease by proteolytic Bacillus subtilis in wetland rice soil

    • K. Watanabe
    • K. Hayano

    Original Paper Pages: 109 - 113

18. Determination of potentially mineralizable nitrogen in agricultural soil

    • A. Benedetti
    • G. Sebastiani

    Original Paper Pages: 114 - 120

19. Effects of fungivorous and predatory arthropods on nematodes and tardigrades in microcosms with coniferous forest soil

    • R. Hyvönen
    • T. Persson

    Original Paper Pages: 121 - 127

20. Microbial biomass reflects a nitrogen and phosphorous economy of halophytes grown in salty desert soil

    • S. Sarig
    • A. Fliessbach
    • Y. Steinberger

    Short Communication Pages: 128 - 130