1. Microbial C and N dynamics during mesophilic and thermophilic incubations of ryegrass

   • William R. Horwath
   • Lloyd F. Elliott

   Original Paper Pages: 1 - 9

2. Yield, nodulation, and N₂ fixation by cowpea cultivars at different phosphorus levels

   • A. B. Ankomah
   • Felipe Zapata
   • Seth K. A. Danso

   Original Paper Pages: 10 - 15

3. Infection potential of farm soils as mycorrhizal inocula for Leucaena leucocephala

   • K. D. Shepherd
   • J. Jefwa
   • K. W. Mbuthia

   Original Paper Pages: 16 - 21

4. Impact of faunal complexity on microbial biomass and N turnover in field mesocosms from a spruce forest soil

   • Birgit Vedder
   • Christian Kampichler
   • Ellen Kandeler

   Original Paper Pages: 22 - 30

5. Impact of crop rotations on microbial biomass, faunal populations, and plant C and N in a Gray Luvisol (Typic Cryoboralf)

   • Chang X. C.
   • N. G. Juma

   Original Paper Pages: 31 - 39

6. Disturbance effects on soil solution chemistry due to heating cable installation

   • P. J. McHale
   • M. J. Mitchell

   Original Paper Pages: 40 - 44

7. Interactions in microbial use of soluble plant components in soil

   • Håkan Marstorp

   Original Paper Pages: 45 - 52

8. Effects of lead pollution on different soil enzyme activities

   • C. Marzadori
   • C. Ciavatta
   • C. Gessa

   Original Paper Pages: 53 - 58

9. The use of phospholipid fatty acid analysis to estimate bacterial and fungal biomass in soil

   • A. Frostegård
   • E. Bååth

   Original Paper Pages: 59 - 65

10. Size and activity of soil microbial communities in long-term experimental grassland plots treated with manure and inorganic fertilizers

    • D. W. Hopkins
    • R. S. Shiel

    Original Paper Pages: 66 - 70

11. Microcosm investigations into the influence of sheep manure on the behaviour of the geophagous earthworms Aporrectodea trapezoides and Microscolex dubuis

    • M. S. Hugnes
    • C. M. Bull
    • B. M. Doube

    Original Paper Pages: 71 - 75

12. Water-stable aggregates and associated organic matter in forest, savanna, and cropland soils of a seasonally dry tropical region, India

    • S. Singh
    • J. S. Singh

    Original Paper Pages: 76 - 82

13. Effect of molecular complexity and acidity of earthworm faeces humic fractions on glutamate dehydrogenase, glutamine synthetase, and phosphoenolpyruvate carboxylase in Daucus carota α II cells

    • A. Muscolo
    • M. R. Panuccio
    • S. Nardi

    Original Paper Pages: 83 - 88

14. Use of urease, algal inhibitors, and nitrification inhibitors to reduce nitrogen loss and increase the grain yield of flooded rice (Oryza sativa L.)

    • P. Chaiwanakupt
    • J. R. Freney
    • R. L. Blakeley

    Original Paper Pages: 89 - 95

15. Vesicular-arbuscular mycorrhizae in tropical sedges of southern India

    • T. Muthukumar
    • K. Udaiyan
    • S. Manian

    Original Paper Pages: 96 - 100

16. Movement of urea and its hydrolysis products as influenced by moisture content and urease inhibitors

    • Wang Zhengping
    • Oswald Van Cleemput
    • Leon Baert

    Original Paper Pages: 101 - 108

17. Extractability of ¹⁵N-labeled corn-shoot tissue in a sandy and a clay soil by 0.01 MCaCl₂ method in laboratory incubation experiments

    • Diedrich Steffens
    • Roland Pfanschilling
    • Sala Feigenbaum

    Original Paper Pages: 109 - 115

18. The significance of microbial biomass sulphur in soil

    • M. R. Banerjee
    • S. J. Chapman

    Original Paper Pages: 116 - 125

19. Selection and evaluation of nitrate-tolerant strains of Rhizobium leguminosarum biovar viceae specific to the lentil

    • A. K. Saxena
    • S. K. Rathi
    • K. V. B. R. Tilak

    Original Paper Pages: 126 - 130

20. Production of pantothenic acid and thiamine by Azotobacter vinelandii in a chemically defined medium and a dialysed soil medium

    • Maria Victoria Martinez-Toledo
    • Belen Rodelas
    • Jesus Gonzalez-Lopez

    Original Paper Pages: 131 - 135

21. Diversity of potential microbial parasites colonizing sclerotia of Macrophomina phaseolina in soil

    • A. K. Srivastava
    • D. K. Arora
    • M. W. Lee

    Original Paper Pages: 136 - 140

22. Carbon and nitrogen transformation during composting of sweet sorghum bagasse

    • M. Pilar Bernal
    • Antonio F. Navarro
    • Diego García

    Original Paper Pages: 141 - 148

23. Incorporation of S into soil organic matter in the field as determined by the natural abundance of stable S isotopes

    • Jørgen Eriksen

    Original Paper Pages: 149 - 155

24. Physiological and nutritional responses by Lactuca Sativa L. to nitrogen sources and mycorrhizal fungi under drought conditions

    • R. Azcón
    • M. Gómez
    • R. Tobar

    Original Paper Pages: 156 - 161

25. Vermicomposting of coffee pulp using the earthworm Eisenia fetida: Effects on C and N contents and the availability of nutrients

    • F. H. Orozco
    • J. Cegarra
    • A. Roig

    Original Paper Pages: 162 - 166

26. The problem of pretreatment and unintentional variations in the fumigation-extraction method for time-course measurements in the field

    • Torsten Mueller
    • Momoh F. E. Lavahun
    • Brunk Meyer

    Original Paper Pages: 167 - 170

27. Surface cast production by the earthworm Aporrectodea nocturna in a pre-alpine meadow in Switzerland

    • O. Daniel
    • L. Kohli
    • J. Zever

    Original Paper Pages: 171 - 178

28. Nitrogen transformation in arable soils of North-West Germany during the cereal growing season

    • R. Nieder
    • E. Neugebauer
    • J. Richter

    Original Paper Pages: 179 - 183

29. Effects of cropping systems on nitrogen, phosphorus and potassium forms and soil organic carbon in a Gray Luvisol

    • Y. K. Soon
    • M. A. Arshad

    Original Paper Pages: 184 - 190