1. Deposition of ammonia to the forest floor under spruce and beech at the Höglwald site

   • C. Huber
   • A. Oberhauser
   • K. Kreutzer

   OriginalPaper Pages: 3 - 11

2. Three years of continuous measurements of atmospheric ammonia concentrations over a forest stand at the Höglwald site in southern Bavaria

   • C. Huber
   • K. Kreutzer

   OriginalPaper Pages: 13 - 22

3. Diurnal courses of ammonium net uptake by the roots of adult beech (Fagus sylvatica) and spruce (Picea abies) trees

   • Arthur Geßler
   • Jürgen Kreuzwieser
   • Heinz Rennenberg

   OriginalPaper Pages: 23 - 32

4. Deposition and soil leaching in stands of Norway spruce and European Beech: Results from the Höglwald research in comparison with other European case studies

   • Andreas Rothe
   • Christian Huber
   • Wendelin Weis

   OriginalPaper Pages: 33 - 45

5. Influence of tree species composition on soil and soil solution properties in two mixed spruce-beech stands with contrasting history in Southern Germany

   • Andreas Rothe
   • Karl Kreutzer
   • Helmut Küchenhoff

   OriginalPaper Pages: 47 - 56

6. Development and application of a method for determination of net nitrification rates

   • R. Gasche
   • K. Butterbach-Bahl
   • H. Papen

   OriginalPaper Pages: 57 - 65

7. Spatial variability of NO and NO₂ flux rates from soil of spruce and beech forest ecosystems

   • R. Gasche
   • H. Papen

   OriginalPaper Pages: 67 - 76

8. Four years continuous record of CH₄-exchange between the atmosphere and untreated and limed soil of a N-saturated spruce and beech forest ecosystem in Germany

   • K. Butterbach-Bahl
   • H. Papen

   OriginalPaper Pages: 77 - 90

9. Effect of tree distance on N₂O and CH₄-fluxes from soils in temperate forest ecosystems

   • K. Butterbach-Bahl
   • A. Rothe
   • H. Papen

   OriginalPaper Pages: 91 - 103

10. Soil core method for direct simultaneous determination of N₂ and N₂O emissions from forest soils

    • K. Butterbach-Bahl
    • G. Willibald
    • H. Papen

    OriginalPaper Pages: 105 - 116

11. Exchange of N-gases at the Höglwald Forest – A summary

    • K. Butterbach-Bahl
    • R. Gasche
    • H. Papen

    OriginalPaper Pages: 117 - 123

12. Earthworm survival in oil contaminated soil

    • Safwat H. Shakir Hanna
    • R. W. Weaver

    OriginalPaper Pages: 127 - 132

13. Earthworm communities under an agricultural intensification gradient in Colombia

    • T. Decaëns
    • J.J. Jiménez

    OriginalPaper Pages: 133 - 143

14. Tree species selection and soil tillage in alley cropping systems with Phaseolus vulgaris L. in a humid premontane climate: biomass production, nutrient cycling and crop responses

    • Iben Henriksen
    • Anders Michelsen
    • Andrea Schlönvoigt

    OriginalPaper Pages: 145 - 159

15. Si amelioration of Al toxicity in barley (Hordeum vulgare L.) growing in two Andosols

    • C.K. Morikawa
    • M. Saigusa

    OriginalPaper Pages: 161 - 168

16. Host responses to AMF from plots differing in plant diversity

    • Rhoda L. Burrows
    • Francis L. Pfleger

    OriginalPaper Pages: 169 - 180

17. Effect of host genotype on indigenous bacterial endophytes of cotton (Gossypium hirsutum L.)

    • Pamela D. Adams
    • Joseph W. Kloepper

    OriginalPaper Pages: 181 - 189

18. Abscisic acid concentration, root pH and anatomy do not explain growth differences of chickpea (Cicer arietinum L.) and lupin (Lupinus angustifolius L.) on acid and alkaline soils

    • Wolfram Hartung
    • Laurent Leport
    • Neil C. Turner

    OriginalPaper Pages: 191 - 199