1. Nutrient Leaching in Undisturbed Cores of an Acidic Sandy Podosol Following Simultaneous Potassium Chloride and Di-Ammonium Phosphate Application

   • Ian Phillips
   • Edward Burton

   OriginalPaper Pages: 1 - 14

2. The Effect of Future Climate Perturbations on N₂O Emissions from a Fertilized Humid Grassland

   • Cheng-I Hsieh
   • Paul Leahy
   • Changsheng Li

   OriginalPaper Pages: 15 - 23

3. Phosphorus and Potassium Release Pattern from Leucaena Leaves in Three Environments of Haiti

   • J.R. Bossa
   • J.F. Adams
   • G.L. Mullins

   OriginalPaper Pages: 25 - 35

4. Phosphorus, Potassium and Leucaena Pruning Interactions on Corn in Haiti

   • J.R. Bossa
   • D.A. Shannon
   • E. van Santen

   OriginalPaper Pages: 37 - 47

5. Evaluation of Mustard Meal as Organic Fertiliser on Tef (Eragrostis tef (Zucc) Trotter) under Field and Greenhouse Conditions

   • T. Balesh
   • F. Zapata
   • J.B. Aune

   OriginalPaper Pages: 49 - 57

6. Nitrogen Fluxes in Silage Maize Production: Relationship between Nitrogen Content at Silage Maturity and Nitrate Concentration in Soil Leachate

   • Antje Herrmann
   • Kurt Christian Kersebaum
   • Friedhelm Taube

   OriginalPaper Pages: 59 - 74

7. Managing Legume Cover Crops and their Residues to Enhance Productivity of Degraded Soils in the Humid Tropics: A Case Study in Bukoba District, Tanzania

   • F.P. Baijukya
   • N. de Ridder
   • K.E. Giller

   OriginalPaper Pages: 75 - 87

8. Nitrogen Leaching from ¹⁵N Labelled Cow Urine and Dung Applied to Grassland on a Sandy Soil

   • Christine Wachendorf
   • Friedhelm Taube
   • Michael Wachendorf

   OriginalPaper Pages: 89 - 100

9. Differences in Yields, Residue Composition and N Mineralization Dynamics of Bt and Non-Bt Maize

   • Nancy W. Mungai
   • Peter P. Motavalli
   • Robert J. Kremer

   OriginalPaper Pages: 101 - 109