1. Integrated soil management for the savanna zone of W. Africa: legume rotation and fertilizer N

   • R.J. Carsky
   • B. Oyewole
   • G. Tian

   OriginalPaper Pages: 95 - 105

2. Fertilizer retailing in the Kenyan Highlands

   • Francis M. Mwaura
   • Paul L. Woomer

   OriginalPaper Pages: 107 - 116

3. Fertilizers and the environment

   • Ali T. Ayoub

   OriginalPaper Pages: 117 - 121

4. Effect of composting time on phosphate exchangeability

   • O. Traoré
   • S. Sinaj
   • J.M. Van De Kerkhove

   OriginalPaper Pages: 123 - 131

5. Effects of soil solution on the dynamics of N2O emissions: a review

   • Maren Heincke
   • Martin Kaupenjohann

   OriginalPaper Pages: 133 - 157

6. Long-term effect of nutrient management and cropping system on cotton yield and soil fertility in rainfed vertisols

   • M.V. Venugopalan
   • R. Pundarikakshudu

   OriginalPaper Pages: 159 - 164

7. Fate of phosphorus applied in slurry and mineral fertilizer: accumulation in soil and release into surface runoff water

   • E. Turtola
   • M. Yli-Halla

   OriginalPaper Pages: 165 - 174

8. Manure and fertilizer contributions to soil mineral nitrogen and the yield of forage maize

   • I.R. Richards
   • I.D.S. Turner
   • P.A. Wallace

   OriginalPaper Pages: 175 - 185