1. Mineral deficiencies and fertilization of coastal reforestations in Benin, West Africa

   • P. Drechsel
   • S. Schmall

   OriginalPaper Pages: 125 - 133

2. A mathematical model for predicting the soil nitrogen status under varying fertilizer practices in a continuous cropping sequence

   • P. Muthuswamy
   • C. R. Ranganathan
   • G. Ramanathan

   OriginalPaper Pages: 135 - 140

3. A comparison of three rock phosphates for use in forest soils

   • Andrew R. Gillespie
   • Phillip E. Pope

   OriginalPaper Pages: 141 - 145

4. Ammonia volatilization losses from different fertilizers and effect of several urease inhibitors, CaCl₂ and phosphogypsum on losses from urea

   • Fethi Bayrakli

   OriginalPaper Pages: 147 - 150

5. Optimizing the process of forest fertilization as a control system

   • Vicente Costanza
   • Carlos E. Neuman

   OriginalPaper Pages: 151 - 164

6. Phosphate release from fertilized soils and its effect on the changes of phosphate concentration in soil solution

   • R. E. Mendoza
   • A. Canduci
   • C. Aprile

   OriginalPaper Pages: 165 - 172

7. Predicting phosphate sorption in soils of mediterranean regions

   • F. Peña
   • J. Torrent

   OriginalPaper Pages: 173 - 179

8. Evaluation of Fiji phosphate rocks: Chemical and mineralogical properties of samples from the Lau group

   • R. Naidu
   • U. Singh
   • R. J. Morrison

   OriginalPaper Pages: 181 - 190

9. Book review

   • D. W. Dibb
   • B. C. Darst

   BookReview Pages: 191 - 192