1. Distribution of assimilated carbon in the system Phragmites australis-waterlogged peat soil after carbon-14 pulse labelling

   • M. Richert
   • S. Saarnio
   • W. Merbach

   ORIGINAL PAPER Pages: 1 - 7

2. Influence of cadmium on the metabolic quotient, l- : d-glutamic acid respiration ratio and enzyme activity : microbial biomass ratio under laboratory conditions

   • L. Landi
   • G. Renella
   • P. Nannipieri

   ORIGINAL PAPER Pages: 8 - 16

3. Effects of organic amendment and herbicide treatment on soil microbial biomass

   • P. Perucci
   • S. Dumontet
   • C. Casucci

   ORIGINAL PAPER Pages: 17 - 23

4. Effect of amending urea fertilizer with chemical additives on ammonia volatilization loss and nitrogen-use efficiency

   • D. Damodar Reddy
   • K. L. Sharma

   ORIGINAL PAPER Pages: 24 - 27

5. Involvement of soluble organic matter in increased plant growth in solarized soils

   • Y. Chen
   • J. Katan
   • M. Schnitzer

   ORIGINAL PAPER Pages: 28 - 34

6. Field assessment of composts produced by highly effective cellulolytic microorganisms

   • S.M.S. Badr EL-Din
   • M. Attia
   • S. A. Abo-Sedera

   ORIGINAL PAPER Pages: 35 - 40

7. Evaluation of 3,4-dimethylpyrazole phosphate as a nitrification inhibitor in a Citrus-cultivated soil

   • M. D. Serna
   • J. Bañuls
   • F. Legaz

   ORIGINAL PAPER Pages: 41 - 46

8. Non-isotopic method for the quantification of biological nitrogen fixation and wheat production under field conditions

   • Y. G. M. Galal
   • I. A. El-Ghandour
   • A. Gadalla

   ORIGINAL PAPER Pages: 47 - 51

9. Urease activity and its relation to soil organic matter, microbial biomass nitrogen and urea-nitrogen assimilation by maize in a Brazilian Oxisol under no-tillage and tillage systems

   • R. Roscoe
   • C. A. Vasconcellos
   • L. A. Fernandes

   ORIGINAL PAPER Pages: 52 - 59

10. Nitrous oxide emission from wetland rice soil as affected by the application of controlled-availability fertilizers and mid-season aeration

    • X. Yan
    • L. Du
    • G. Xing

    ORIGINAL PAPER Pages: 60 - 66

11. Responses of nitrous oxide, dinitrogen and carbon dioxide production and oxygen consumption to temperature in forest and agricultural light-textured soils determined by model experiment

    • S. Castaldi

    ORIGINAL PAPER Pages: 67 - 72

12. Estimating the active and total soil microbial biomass by kinetic respiration analysis

    • S. A. Blagodatsky
    • O. Heinemeyer
    • J. Richter

    ORIGINAL PAPER Pages: 73 - 81

13. Assessment of recovery of population, biomass and reproduction of the earthworm Drawida willsi following the application of malathion under field conditions

    • S. Panda
    • S. K. Sahu

    ORIGINAL PAPER Pages: 82 - 88