1. Studies on the mineral nutrition of tea II — Nitrogen

   • K. C. Willson

   OriginalPaper Pages: 501 - 516

2. Zinc-phosphorus-iron interaction studies in maize

   • K. P. Prabhakaran Nair
   • G. R. Babu

   OriginalPaper Pages: 517 - 536

3. Zinc deficiency in rice

   • D. A. Forno
   • S. Yoshida
   • C. J. Asher

   OriginalPaper Pages: 537 - 550

4. Zinc deficiency in rice

   • D. A. Forno
   • C. J. Asher
   • S. Yoshida

   OriginalPaper Pages: 551 - 563

5. Effect of calcium deficiency on the carbon metabolism in photosynthesis and respiration of tomato leaf

   • Pratap V. Rangnekar

   OriginalPaper Pages: 565 - 583

6. Responses of bush bean and barley to tin applied to soil and to solution culture

   • E. M. Romney
   • A. Wallace
   • G. V. Alexander

   OriginalPaper Pages: 585 - 589

7. Eradication of plant pathogenic fungi in soil and nursery potting mixtures with a mobile continuous soil pasteurizer

   • D. J. Mitchell
   • L. N. Shaw

   OriginalPaper Pages: 591 - 600

8. Amino acids of barley plants in relation to nitrate, urea or ammonium nutrition

   • R. Richter
   • W. Dijkshoorn
   • C. R. Vonk

   OriginalPaper Pages: 601 - 618

9. Effects of soil osmotic potential produced with two salt species on plant water potential, growth, and grain yield of wheat

   • Everardo Aceves-N.
   • L. H. Stolzy
   • G. R. Mehuys

   OriginalPaper Pages: 619 - 627

10. Biomass and chemical composition of fertilized and/or irrigated Pinus resinosa Ait. plantations

    • Robert F. Wittwer
    • Albert L. Leaf
    • Donald H. Bickelhaupt

    OriginalPaper Pages: 629 - 651

11. Molecular nitrogen content in a submerged rice field

    • Tomio Yoshida
    • Y. Takai
    • Diana C. Del Rosario

    OriginalPaper Pages: 653 - 660

12. The effect of high exchangeable potassium percentage on soil properties and plant growth

    • I. Ravina
    • Z. Markus

    OriginalPaper Pages: 661 - 672

13. Compensatory growth in cereal root systems

    • R. N. Crossett
    • D. Joan Campbell
    • Helen E. Stewart

    OriginalPaper Pages: 673 - 683

14. Response of Douglas-fir seedlings to nitrate and ammonium nitrogen sources under various environmental conditions

    • R. Van Den Driessche
    • J. Dangerfield

    OriginalPaper Pages: 685 - 702

15. Nitrogen fixation by Bacillus strains isolated from the rhizosphere of Ammophila arenaria

    • A. M. Abdel Wahab

    Short Communication Pages: 703 - 708

16. A simple instrument for soil perfusion

    • C. S. Weeraratne

    Short Communication Pages: 709 - 710

17. Observations on the leaching of nitrate, phosphate and potassium in soil colonized by fungi

    • M. C. Cowan

    Short Communication Pages: 711 - 715

18. High humidity overcomes lethal levels of salinity in hydroponically grown salt-sensitive plants

    • James W. O'Leary

    Short Communication Pages: 717 - 721