1. Editorial

   • John V. Stafford

   Editorial Board Pages: 117 - 117

2. Measuring Mass Flow by Bounce Plate for Yield Mapping of Potatoes

   • Detlef Ehlert

   OriginalPaper Pages: 119 - 130

3. Empirical Models for Predicting the Dry Matter Yield of Grass Silage Swards Using Plant Tissue Analyses

   • J. S. Bailey
   • A. Higgins
   • C. Jordan

   OriginalPaper Pages: 131 - 145

4. Combine Harvester Control Using Real Time Kinematic GPS

   • L. Cordesses
   • C. Cariou
   • M. Berducat

   OriginalPaper Pages: 147 - 161

5. A Two-Factor Empirical Deterministic Response Surface Calibration Model for Site-Specific Predictions of Lime Requirement

   • R. A. Viscarra Rossel
   • A. B. McBratney

   OriginalPaper Pages: 163 - 178

6. Automation and Standardisation of Site Specific Soil Sampling

   • R. E. Lütticken

   OriginalPaper Pages: 179 - 188

7. Evaluation of Sub-Meter and 2 to 5 Meter Accuracy GPS Receivers to Develop Digital Elevation Models

   • H. Yao
   • R. L. Clark

   OriginalPaper Pages: 189 - 200

8. Evaluating Farmer Defined Management Zone Maps for Variable Rate Fertilizer Application

   • K. L. Fleming
   • D. G. Westfall
   • M. C. Brodahl

   OriginalPaper Pages: 201 - 215