1. Effects of soil pH and nitrogen fertility on the population dynamics of Thielaviopsis basicola

   • Una J. Harrison
   • H. D. Shew

   OriginalPaper Pages: 147 - 155

2. Changes in soil mineral nitrogen during and after 3-year and 5-year set-aside and nitrate leaching losses after ploughing out the 5-year plant covers in the UK

   • A. G. Chalmers
   • E. T. G. Bacon
   • J. H. Clarke

   OriginalPaper Pages: 157 - 177

3. Root and microbial involvement in the kinetics of 14C-partitioning to rhizosphere respiration after a pulse labelling of maize assimilates

   • C. Todorovic
   • C. Nguyen
   • A. Guckert

   OriginalPaper Pages: 179 - 189

4. Plant species and nutritional-mediated control over rhizodeposition and root decomposition

   • Tanja A.J. Van der Krift
   • Peter J. Kuikman
   • Frank Berendse

   OriginalPaper Pages: 191 - 200

5. Factors controlling the timing of root elongation intensity in a mature upland oak stand

   • J. D. Joslin
   • M. H. Wolfe
   • P. J. Hanson

   OriginalPaper Pages: 201 - 212

6. Development of a novel method to measure NH3 fluxes from grass swards in a controlled laboratory environment (a mini-tunnel system)

   • C.A. Ross
   • S.C. Jarvis

   OriginalPaper Pages: 213 - 221

7. Short-term effects of Al3+ on the osmotic behavior of red beet (Beta vulgaris L.) protoplasts

   • Young-Sang Lee
   • Girma Mitiku
   • Anton G. Endress

   OriginalPaper Pages: 223 - 232

8. Zinc fertilisation increases tolerance to Rhizoctonia solani (AG 8) in Medicago truncatula

   • Tania C. Streeter
   • Zdenko Rengel
   • Robin D. Graham

   OriginalPaper Pages: 233 - 242

9. Extraction of P solubilizing active substances from the cell wall of groundnut roots

   • Renfang Shen
   • Noriharu Ae

   OriginalPaper Pages: 243 - 252

10. Low-P tolerance by maize (Zea mays L.) genotypes: Significance of root growth, and organic acids and acid phosphatase root exudation

    • Alain Gaume
    • Felix Mächler
    • Emmanuel Frossard

    OriginalPaper Pages: 253 - 264

11. Destructive and non-destructive measurements of residual crop residue and phosphorus effects on growth and composition of herbaceous fallow species in the Sahel

    • B. Gérard
    • P. Hiernaux
    • A. Buerkert

    OriginalPaper Pages: 265 - 273

12. Laboratory experiments imply the conditionality of mycorrhizal benefits for Salix repens: role of pH and nitrogen to phosphorus ratios

    • E.W. Van der Heijden
    • Th.W. Kuyper

    OriginalPaper Pages: 275 - 290

13. The use of phospholipid fatty acids (PL-FA) in the determination of rhizosphere specific microbial communities (RSMC) of two wheat cultivars

    • Hanan G. Diab El Arab
    • Vivian Vilich
    • Richard A. Sikora

    OriginalPaper Pages: 291 - 297

14. Effect of tillage and farming system upon VAM fungus populations and mycorrhizas and nutrient uptake of maize

    • L. Galvez
    • D.D. Douds Jr
    • P. Wagoner

    OriginalPaper Pages: 299 - 308