1. Selenium content of wheat as affected by selenate and selenite contained in a Cl- or SO₄-based NPK fertilizer

   • B. R. Singh

   OriginalPaper Pages: 1 - 7

2. Soil and leaf nutrient interactions following application of calcium silicate slag to sugarcane

   • D. L. Anderson

   OriginalPaper Pages: 9 - 18

3. Residual phosphate fertilizer compounds in soils

   • Vijay Kumar
   • R. J. Gilkes
   • M. D. A. Bolland

   OriginalPaper Pages: 19 - 29

4. Residual phosphate fertilizer compounds in soils

   • Vijay Kumar
   • R. J. Gilkes
   • M. D. A. Bolland

   OriginalPaper Pages: 31 - 38

5. Influence of different P sources on the efficiency of several tropical endomycorrhizal fungi in promoting the growth ofZea mays L.

   • C. Diederichs

   OriginalPaper Pages: 39 - 46

6. Assessment of plant-available phosphate in limed, acid soils using several soil-testing procedures

   • R. Naidu
   • J. K. Syers
   • J. H. Kirkman

   OriginalPaper Pages: 47 - 53

7. Potassium silicate: A slow-release potassium fertilizer

   • Y. Tokunaga

   OriginalPaper Pages: 55 - 59

8. Investigation of electrodeless conductivity as a technique for monitoring sulfate levels during production of wet-process phosphoric acid

   • V. M. Norwood III
   • J. J. Kohler

   OriginalPaper Pages: 61 - 69

9. Porous phosphatic materials of agronomical interest:Synthesis and study of their dissolution

   • F. Amin
   • J. H. Thomassin

   OriginalPaper Pages: 71 - 76

10. Stable suspension fertilizers from monoammonium phosphate

    • E. F. Dillard
    • J. R. Burnell
    • J. Gautney

    OriginalPaper Pages: 77 - 86

11. Fusion blend

    • S. R. Doshi

    OriginalPaper Pages: 87 - 97

12. Fertilizer caking: Mechanisms, influential factors, and methods of prevention

    • D. W. Rutland

    OriginalPaper Pages: 99 - 114

13. Criteria for blend plant design

    • L. Taylor

    OriginalPaper Pages: 115 - 121