1. Are Partial Nutrient Balances Suitable to Evaluate Nutrient Sustainability of Land use Systems? Results from a Case Study in Central Sulawesi, Indonesia

   • Georg Dechert
   • Edzo Veldkamp
   • Rainer Brumme

   OriginalPaper Pages: 201 - 212

2. Soil Apparent Electrical Conductivity (EC_a) as a Means of Monitoring Changesin Soil Inorganic N on Heterogeneous Morainic Soils in SE Norway During Two Growing Seasons

   • Audun Korsaeth

   OriginalPaper Pages: 213 - 227

3. Impacts of Water Table Management on N₂O and N₂ from a Sandy Loam Soil in Southwestern Quebec, Canada

   • Abdirashid Elmi
   • David Burton
   • Chandra Madramootoo

   OriginalPaper Pages: 229 - 240

4. Chemical Nature and Diversity of Phosphorus in New Zealand Pasture Soils Using ³¹P Nuclear Magnetic Resonance Spectroscopy and Sequential Fractionation

   • R. W. McDowell
   • L. M. Condron
   • V. Cave

   OriginalPaper Pages: 241 - 254

5. Effect of Straw Application on Rice Yields and Nutrient Availability on an Alkaline and a pH-neutral Soil in a Sahelian Irrigation Scheme

   • P. J. A. van Asten
   • P. M. van Bodegom
   • M. J. Kropff

   OriginalPaper Pages: 255 - 266

6. Denitrification in Agricultural Soils: Summarizing Published Data and Estimating Global Annual Rates

   • N. Hofstra
   • A. F. Bouwman

   OriginalPaper Pages: 267 - 278

7. Maintenance of Phosphorus Fertilizer and Residual Phosphorus Effect on Corn Production

   • H. Ibrikci
   • J. Ryan
   • O. Konuskan

   OriginalPaper Pages: 279 - 286

8. Field Evaluation of the Liming Value of Two Phosphate Rocks and their Partially Acidulated Products After 16 Years of Annual Application to Grazed Pasture

   • P. Loganathan
   • M. J. Hedley
   • L. D. Currie

   OriginalPaper Pages: 287 - 297

9. Hard Minjingu Phosphate Rock: an Alternative P Source for Maize Production on Acid Soils in Tanzania

   • M. M. Msolla
   • J. M. R. Semoka
   • O. K. Borggaard

   OriginalPaper Pages: 299 - 308