1. The distribution of sulfur among various components of the wheat grain

   • Gabriel Seidman
   • John C. Frazier

   OriginalPaper Pages: 137 - 147

2. On the mechanism of anion uptake by plant roots

   • M. M. Elgabaly

   OriginalPaper Pages: 148 - 156

3. On the mechanism of anion uptake by plant roots

   • M. M. Elgabaly

   OriginalPaper Pages: 157 - 164

4. On the mechanism of anion uptake by plant roots

   • M. M. Elgabaly
   • R. Handley

   OriginalPaper Pages: 165 - 170

5. Species differences in molybdenum and vanadium requirements and combined nitrogen utilization byAzotobacteriaceae

   • J. H. Becking

   OriginalPaper Pages: 171 - 201

6. Nitrate reductase in cell-free extracts ofAzotobacter

   • J. H. Becking

   OriginalPaper Pages: 202 - 213

7. Genetic and environmental differences in the mineral composition of ryegrass herbage

   • G. W. Butler
   • P. C. Barclay
   • A. C. Glenday

   OriginalPaper Pages: 214 - 228

8. Effect of associated growth on yield and nitrogen content of legume and grass plants

   • K. Dilz
   • E. G. Mulder

   OriginalPaper Pages: 229 - 237

9. Studies in soil and plant manganese

   • E. R. Page
   • E. K. Schofield-Palmer
   • A. J. McGregor

   OriginalPaper Pages: 238 - 246

10. Studies in soil and plant manganese

    • E. R. Page

    OriginalPaper Pages: 247 - 257

11. The effect of water-logging on fixation of nitrogen by soil incubated with straw

    • N. J. Barrow
    • D. S. Jenkinson

    Letter To The Editor Pages: 258 - 262

12. Genetic variation in root cation-exchange capacity of ryegrass

    • M. C. H. Mouat

    Letter To The Editors Pages: 263 - 265

13. A method for wet-ashing small plant samples

    • James A. Goss

    Letter To The Editors Pages: 266 - 268