1. Ionic interactions in rice plants from dilute solutions

   • Nand Kumar Fageria

   OriginalPaper Pages: 309 - 316

2. Manganese and iron interactions on their uptake and distribution in soybean (Glycine max (L.) Merr.)

   • D. P. Heenan
   • L. C. Campbell

   OriginalPaper Pages: 317 - 326

3. Dehydrogenase and urease activities of maize (Zea mays L.) field soils

   • Mamtaj S. Dkhar
   • R. R. Mishra

   OriginalPaper Pages: 327 - 333

4. Effects of cadmium and lead on radish plants with particular reference to movement of metals through soil profile and plant

   • D. H. Khan
   • B. Frankland

   OriginalPaper Pages: 335 - 345

5. Effect of fire on fine root density in red shank (Adenostoma sparsifolium Torr.) chaparral

   • J. Kummerow
   • R. K. Lantz

   OriginalPaper Pages: 347 - 352

6. The effects of solar radiation and nutrient solution temperature on the uptake of oxygen by submerged roots of mature tomato plants

   • W. N. Nieuwenhuizen

   OriginalPaper Pages: 353 - 366

7. Taxonomic character of plant species in absorbing and accumulating alkali and alkaline earth metals grown in temperate forest of Japan

   • Abdul Razaque Memon
   • Toru Kuboi
   • Michihiko Yatazawa

   OriginalPaper Pages: 367 - 389

8. The acquisition of phosphorus byLupinus albus L.

   • W. K. Gardner
   • K. A. Boundy

   OriginalPaper Pages: 391 - 402

9. A numerical solution of whole plant nutrient uptake for soil-root systems with root hairs

   • S. Itoh
   • S. A. Barber

   OriginalPaper Pages: 403 - 413

10. Effect of antibiotics on ethylene production by soil micro-organisms

    • J. M. Lynch

    OriginalPaper Pages: 415 - 420

11. Abiontic enzymes in arctic soils: changes in sulphatase activity following vehicle disturbance

    • John L. Neal
    • Sue A. Herbein

    Short Communication Pages: 423 - 427