1. Growth and morphology of eucalypt seedling-roots, in relation to soil strength arising from compaction

   • R. K. Misra
   • A. K. Gibbons

   OriginalPaper Pages: 1 - 11

2. Compared cycling in a soil-plant system of pea and barley residue nitrogen

   • Erik Steen Jensen

   OriginalPaper Pages: 13 - 23

3. Grain yield, symbiotic N₂ fixation and interspecific competition for inorganic N in pea-barley intercrops

   • Erik Steen Jensen

   OriginalPaper Pages: 25 - 38

4. The effect of soil compaction on growth and P uptake by Trifolium subterraneum: interactions with mycorrhizal colonisation

   • H. Nadian
   • S. E. Smith
   • R. S. Murray

   OriginalPaper Pages: 39 - 49

5. Effect of glutamate transport and catabolism on symbiotic effectiveness in Rhizobium leguminosarum bv. phaseoli

   • M. Labidi
   • R. Lalande
   • H. Antoun

   OriginalPaper Pages: 51 - 58

6. The influence of native rhizobacteria on european alder (Alnus glutinosa (L.) Gaertn.) growth

   • A. Probanza
   • J. A. Lucas
   • F. J. Gutierrez Mañero

   OriginalPaper Pages: 59 - 66

7. The infuence of native rhizobacteria on European alder (Alnus glutinosa (L.) Gaertn.) growth

   • F. J. Gutierrez Mañero
   • N. Acero
   • A. Probanza

   OriginalPaper Pages: 67 - 74

8. Effect of primary leaves on ⁵⁹Fe uptake by roots and ⁵⁹Fe distribution in the shoot of iron sufficient and iron deficient bean (Phaseolus vulgaris L.) plants

   • Chengdong Zhang
   • Volker Römheld
   • Horst Marschner

   OriginalPaper Pages: 75 - 81

9. Long-term effects of CO₂ enrichment and temperature increase on a temperate grass sward

   • E. Casella
   • J. F. Soussana
   • P. Loiseau

   OriginalPaper Pages: 83 - 99

10. Long-term effects of CO₂ enrichment and temperature increase on a temperate grass sward

    • J. F. Soussana
    • E. Casella
    • P. Loiseau

    OriginalPaper Pages: 101 - 114

11. Cadmium uptake and bioaccumulation in selected cultivars of durum wheat and flax as affected by soil type

    • G. Cieśliński
    • K. C. J. Van Rees
    • D. R. Knott

    OriginalPaper Pages: 115 - 124

12. Application of ¹⁵N and xylem ureide methods for assessing N₂ fixation of three shrub legumes periodically pruned for forage

    • Mark B. Peoples
    • Brian Palmer
    • David F. Herridge

    OriginalPaper Pages: 125 - 137

13. The effect of nitrogen fertilization on the phenology of roots in a barrier island sand dune community

    • Everett P. Weber
    • Frank P. Day

    OriginalPaper Pages: 139 - 148

14. Denitrification in lucerne nodules is not involved in nitrite detoxification

    • J. I. García-Plazaola
    • C. Arrese-Igor
    • J. M. Becerril

    OriginalPaper Pages: 149 - 155

15. Localised impact of Sitka spruce (Picea sitchensis (Bong.) Carr.) on soil permeability

    • Nick Chappell
    • Adam Stobbs
    • Andrew Williams

    OriginalPaper Pages: 157 - 169

16. Root foraging strategies and soil patchiness in a humid savanna

    • P. Mordelet
    • S. Barot
    • L. Abbadie

    OriginalPaper Pages: 171 - 176