1. Mineralization of organic N originating in treated effluent used for irrigation

   • Jian-bin Zhou
   • Michal Green
   • A. Shaviv

   OriginalPaper Pages: 205 - 213

2. Fruit yield of Valencia sweet orange fertilized with different N sources and the loss of applied N

   • H. Cantarella
   • D. Mattos
   • A.T. Rigolin

   OriginalPaper Pages: 215 - 223

3. Phosphorus transformations as affected by sampling date, fertilizer rate and phosphorus uptake in a soil under pasture

   • L.I. Picone
   • E.C. Zamuner
   • M.A. Marino

   OriginalPaper Pages: 225 - 232

4. The use of farmgate balances and soil surface balances as estimator for nitrogen leaching to surface water

   • C.L. van Beek
   • L. Brouwer
   • O. Oenema

   OriginalPaper Pages: 233 - 244

5. Fate of urea applied to winter spinach in New Zealand

   • P.H. Williams
   • R.J. Tregurtha
   • G.S. Francis

   OriginalPaper Pages: 245 - 254

6. Phosphorus and selected metals mobilized from two commercial fertilizers into overland flow during border irrigation

   • David Nash
   • David Halliwell
   • Ben Webb

   OriginalPaper Pages: 255 - 264

7. Distribution of acid extractable P and exchangeable K in a grassland soil as affected by long-term surface application of N, P and K fertilizers

   • S.S. Malhi
   • J.T. Harapiak
   • N. Flore

   OriginalPaper Pages: 265 - 272

8. Genotypic differences and some associated plant traits in potassium internal use efficiency of lowland rice (Oryza sativa L.)

   • X.E. Yang
   • J.X. Liu
   • Y. Yang

   OriginalPaper Pages: 273 - 282

9. Nitrous oxide emission as affected by liming an acidic mineral soil used for arable agriculture

   • Ke Feng
   • Feng Yan
   • Sven Schubert

   OriginalPaper Pages: 283 - 292