1. Screening of turfgrass species and cultivars for NaCl tolerance

   • W. A. Torello
   • A. G. Symington

   OriginalPaper Pages: 155 - 161

2. Distribution et utilisation des assimilats carbonés en relation avec la fixation symbiotique d'azote chez le soja (Glycine max L. Merrill)

   • F. R. Warembourg
   • B. Haegel
   • D. Montange

   OriginalPaper Pages: 163 - 178

3. Potential nitrogen transfer and regulation through brown acid soils under beech and spruce stands

   • H. J. Van Praag
   • F. Weissen

   OriginalPaper Pages: 179 - 191

4. Labeled nitrogen fertilizer research with urea in the semi-arid tropics

   • J. T. Moraghan
   • T. J. Rego
   • R. J. Buresh

   OriginalPaper Pages: 193 - 203

5. The effect of soil nitrate on the growth, nodulation and nitrogen fixation of chickpeas (Cicer arietinum)

   • Robin S. Jessop
   • Sandra J. Hetherington
   • Errol H. Hoult

   OriginalPaper Pages: 205 - 214

6. Effect of iron chlorosis-inducing factors on the pH of the cytoplasm of sunflower (Helianthus annuus)

   • H. Kolesch
   • M. Oktay
   • W. Höfner

   OriginalPaper Pages: 215 - 221

7. Effect of heterologous bacteria and combined nitrogen on the adsorption ofRhizobium meliloti to lucerne seedling roots

   • Carole Lafreniere
   • L. M. Bordeleau
   • H. Antoun

   OriginalPaper Pages: 223 - 229

8. Etude expérimentale de la relation entre la forme physicochimique du zinc et sa disponibilité à l'égard de végétaux cultivés. Application à l'utilisation agricole de boues de stations d'épuration

   • B. Berthet
   • J. C. Amiard
   • C. Metayer

   OriginalPaper Pages: 231 - 246

9. Autointoxication in root exudates ofAsparagus officinalis L.

   • C. C. Young

   OriginalPaper Pages: 247 - 253

10. Estimation of N₂-fixation by sugarcane,Saccharum sp., and soybean,Glycine max, grown in soil with¹⁵N-labelled organic matter

    • J. R. de Freitas
    • R. L. Victoria
    • P. B. Vose

    Short Communications Pages: 257 - 261

11. Effect of autoclave sterilization of a tropical andept on seed germination and seedling growth

    • G. Williams-Linera
    • J. J. Ewel

    Short Communications Pages: 263 - 268

12. Flavonoids content of tomato plants for the study of the nutritional status

    • P. Zornoza
    • R. M. Esteban

    Short Communications Pages: 269 - 271