1. Organo-metallic phosphates

   • M. K. Sinha

   OriginalPaper Pages: 449 - 456

2. Organo-metallic phosphates

   • M. K. Sinha

   OriginalPaper Pages: 457 - 467

3. Ion uptake by cold-injured rice roots

   • F. Zsoldos

   OriginalPaper Pages: 469 - 478

4. A soil-testing procedure for predicting phosphorus status ofPinus elliottii plantations

   • F. R. Humphreys
   • W. L. Pritchett

   OriginalPaper Pages: 479 - 487

5. Effects of some organophosphate and carbamate insecticides on nitrification and legume growth

   • Shin-Chsiang Lin
   • B. R. Funke
   • J. T. Schulz

   OriginalPaper Pages: 489 - 496

6. Zur Methodik der Wasserversorgung in Gefässversuchen

   • A. Vömel
   • F. Van Der Paauw

   OriginalPaper Pages: 497 - 510

7. Effects of nitrogen uptake on rice yield in northern Australia

   • G. R. Chaplin

   OriginalPaper Pages: 511 - 520

8. The effect of varying oxygen tension, temperature and sample size on acetylene reduction by nodules of Alnus and Hippophaë

   • G. J. Waughman

   OriginalPaper Pages: 521 - 528

9. Biologically available versus exchangeable magnesium in soil

   • Aage Henriksen

   OriginalPaper Pages: 529 - 543

10. Functional relationships between yield response and soil phosphorus supply

    • D. Analogides
    • V. V. Rendig

    OriginalPaper Pages: 545 - 559

11. A transport kinetic concept of ion uptake from soil by plants

    • Niels Erik Nielsen

    OriginalPaper Pages: 561 - 576

12. Manganese-silicon interaction and its effect on growth of Sudan grass

    • John E. Bowen

    OriginalPaper Pages: 577 - 588

13. Studies on the chemical composition of isolated soil solution and the cation absorption by plants

    • E. M. Hansen

    OriginalPaper Pages: 589 - 607

14. The supply of nutrient ions by diffusion to plant roots in soil

    • E. Farr
    • L. V. Vaidyanathan

    OriginalPaper Pages: 609 - 616

15. The supply of nutrient ions by diffusion to plant roots in soil

    • R. Bagshaw
    • L. V. Vaidyanathan
    • P. H. Nye

    OriginalPaper Pages: 617 - 626

16. The supply of nutrient ions by diffusion to plant roots in soil

    • R. Bagshaw
    • L. V. Vaidyanathan
    • P. H. Nye

    OriginalPaper Pages: 627 - 639

17. Distribution of cations in bean plants grown at varying K and Na levels

    • Tariq A. Al-Ani
    • Nazar A. Ouda

    OriginalPaper Pages: 641 - 648

18. The effect of sesquioxides on the availability of molybdenum toTrifolium subterraneum

    • L. H. P. Jones
    • B. H. Smith

    OriginalPaper Pages: 649 - 655

19. Biological control of the root rot and wilt diseases ofLens culinaris medic

    • R. S. Mehrotra
    • G. R. Caludius

    OriginalPaper Pages: 657 - 664

20. The relationship between available molybdenum in soils of volcanic ash origin and the molybdenum content in red clover (Trifolium pratense, L) leaves

    • Tatsuzi Takahashi

    OriginalPaper Pages: 665 - 674

21. Factors affecting dehydrogenase activity as an index of soil fertility

    • A. W. Moore
    • J. S. Russell

    Short Communication Pages: 675 - 682

22. Wurzelforschung mit Polyäthylen-Röhren

    • Wolfgang Böhm

    Short Communication Pages: 683 - 687

23. A rapid gravimetric method for estimating calcium carbonate in soils

    • H. P. Bauer
    • P. H. T. Beckett
    • S. W. Bie

    Short Communication Pages: 689 - 690

24. Aids to seed germination studies

    • R. J. Summerfield

    Short Communication Pages: 691 - 693

25. The translocation of Zn⁶⁵ and Cs¹³⁴ between seed generations in soybean (Glycine max (L.) Merr.)

    • Theodore W. Sudia
    • David G. Green

    Short Communication Pages: 695 - 697

26. The accumulation of tungsten byNothofagus menziesii

    • B. F. Quin
    • R. R. Brooks
    • P. F. Reay

    Short Communication Pages: 699 - 703