1. Differences in developmental plasticity and growth rate among drought-resistant and susceptible cultivars of durum wheat (Triticum turgidum L. var. durum)

   • B. Simane
   • J. M. Peacock
   • P. C. Struik

   Research Article Pages: 155 - 166

2. Estimation of potentially mineralisable nitrogen in soil by KCl extraction

   • K. A. Smith
   • Shengxiu Li

   Research Article Pages: 167 - 174

3. Estimation of potentially mineralisable nitrogen in soil by KCl extraction

   • I. P. McTaggart
   • K. A. Smith

   Research Article Pages: 175 - 184

4. Analytical study of the effects of some soil and plant parameters on root growth due to absorption of one mobile ion: A free-boundary model

   • J. C. Reginato
   • D. A. Tarzia
   • M. A. Dzioba

   Research Article Pages: 185 - 196

5. Nitrogen losses in puddled soils as affected by timing of water deficit and nitrogen fertilization

   • R. J. Buresh
   • E. G. Castillo
   • S. K. De Datta

   Research Article Pages: 197 - 206

6. The contribution of Rhizobium meliloti to soil denitrification

   • J. I. Garcia-Plazaola
   • J. M. Becerril
   • P. M. Aparicio-Tejo

   Research Article Pages: 207 - 213

7. Modifications of the carbon and nitrogen allocations in the plant (Triticum aestivum L.) soil system in response to increased atmospheric CO₂ concentration

   • G. Billes
   • H. Rouhier
   • P. Bottner

   Research Article Pages: 215 - 225

8. Phosphorus sorption characteristics in acid sulfate soils of Thailand: Effect of uncontrolled and controlled soil redox potential (Eh) and pH

   • A. Krairapanond
   • A. Jugsujinda
   • W. H. Patrick Jr.

   Research Article Pages: 227 - 237

9. A comparison of minirhizotron techniques for estimating root length density in soils of different bulk densities

   • K. M. Volkmar

   Research Article Pages: 239 - 245

10. Cd-tolerant arbuscular mycorrhizal (AM) fungi from heavy-metal polluted soils

    • I. Weissenhorn
    • C. Leyval
    • J. Berthelin

    Research Article Pages: 247 - 256

11. The fungus-specificity of mycorrhization helper bacteria (MHBs) used as an alternative to soil fumigation for ectomycorrhizal inoculation of bare-root Douglas-fir planting stocks with Laccaria laccata

    • R. Duponnois
    • J. Garbaye
    • J. L. Churin

    Research Article Pages: 257 - 262

12. Calculation of nitrogen mineralization in soil food webs

    • P. C. De Ruiter
    • J. A. Van Veen
    • H. W. Hunt

    Research Article Pages: 263 - 273

13. A color composite technique for detecting root dynamics of barley (Hordeum vulgare L.) from minirhizotron images

    • D. A. Heeraman
    • P. H. Crown
    • N. G. Juma

    Research Article Pages: 275 - 287

14. Early seedling and seasonal N₂-fixing symbiotic activity of two soybean [Glycine max (L.) Merr.] cultivars inoculated with Bradyrhizobium strains of diverse origin

    • D. H. Lynch
    • D. L. Smith

    Research Article Pages: 289 - 303

15. Effect of the rootstock on the occurrence of lime-induced chlorosis of potted Vitis vinifera L. cv. ‘Pinot blanc’

    • L. Bavaresco
    • P. Fraschini
    • A. Perino

    Research Article Pages: 305 - 311

16. The maximum axial growth pressure of roots of spring and autumn cultivars of lupin

    • W. R. Whalley
    • A. R. Dexter

    Research Article Pages: 313 - 318

17. Modelling anion amelioration of aluminium phytotoxicity

    • Ulrich E. Grauer

    Research Article Pages: 319 - 331

18. Contents volume 157 (1993)

    Legacy Pages: 337 - 340

19. Author index

    Legacy Pages: 340 - 340