1. The comparative agronomic effectiveness of rock phosphate and superphosphate for banana

   • M. L. Lin
   • R. L. Fox

   OriginalPaper Pages: 131 - 135

2. Evaluation of double extraction techniques as solubility tests for fertiliser products containing phosphate rock components

   • A. C. Braithwaite
   • A. C. Eaton
   • P. S. Groom

   OriginalPaper Pages: 137 - 149

3. A model to predict crop response to applied fertilizer nutrients in heterogeneous fields

   • K. G. Cassman
   • R. E. Plant

   OriginalPaper Pages: 151 - 163

4. Early growth and N₂-fixation of leucaena and gliricidia at different levels of phosphorus application

   • N. Sanginga

   OriginalPaper Pages: 165 - 173

5. A farm-level evaluation of nitrogen and phosphorus fertilizer use and planting density for pearl millet production in Niger

   • A. Bationo
   • C. B. Christianson
   • A. U. Mokwunye

   OriginalPaper Pages: 175 - 184

6. Urea-rubber matrices as slow-release fertilizers

   • Z. A. Hassan
   • S. D. Young
   • R. Arizal

   OriginalPaper Pages: 185 - 192

7. Use of simplex-lattice design techniques to determine optimum distribution of fertilizers between times of their application

   • G. G. Duda

   OriginalPaper Pages: 193 - 207

8. Guano as a nitrogen source for fertigation in organic farming

   • A. Hadas
   • R. Rosenberg

   OriginalPaper Pages: 209 - 214

9. The effect of zinc fertilizer on take-all and the grain yield of wheat grown on zinc-deficient soils of the Esperance region, Western Australia

   • R. F. Brennan

   OriginalPaper Pages: 215 - 219

10. Nitrogen fertilization of dry-seeded rice in south-east Australia

    • E. Humphreys
    • P. M. Chalk
    • R. J. G. White

    OriginalPaper Pages: 221 - 234

11. Effectiveness of fall- versus spring-applied urea on barley

    • M. Nyborg
    • S. S. Malhi

    OriginalPaper Pages: 235 - 239

12. Fertilizer nitrogen movement in a Central Amazon Oxisol and Entisol cropped to corn

    • R. J. Melgar
    • T. J. Smyth
    • M. S. Cravo

    OriginalPaper Pages: 241 - 252

13. Critical soil level of zinc for wheat grown in alkaline soils

    • K. Singh

    Short communication Pages: 253 - 256