Table of Contents
Chapter 1. A Guide to Making Mathematics Practical 7
Jo Clay
Chapter 2. Simple Programming for Automating Precision Farming Calculations 39
Aaron J. Franzen, C. Gregg Carlson, Cheryl L. Reese, and David E. Clay
Chapter 3. An Introduction to Experimental Design and Models 53
David E. Clay, Gary Hatfield, and Sharon A. Clay
Chapter 4. Mathematics of Longitude and Latitude 65
David E. Clay, Terry A. Brase, and Graig Reicks
Chapter 5. Spatial Statistics 75
Gary Hatfield
Chapter 6. Soil Sampling and Understanding Soil Testing Results for Precision Farming 105
David E. Clay, Clay Robinson, and Thomas M. DeSutter
Chapter 7. Calculations Supporting Management Zones 123
David E. Clay, Newell R. Kitchen, Emmanuel Byamukama, and Stephanie A. Bruggeman
Chapter 8. Understanding Soil Water and Yield Variability in Precision Farming 137
David E. Clay and T.P. Trooien
Chapter 9. Developing Prescriptive Soil Nutrient Maps 149
Richard B. Ferguson, Joe D. Luck, and Rachel Stevens
Chapter 10. Essential Plant Nutrients, Fertilizer Sources, and Application Rates Calculations 167
Jiyul Chang, David E. Clay, Brian Arnall, and Graig Reicks
Chapter 11. Deriving and Using an Equation to Calculate Economic Optimum Fertilizer and Seeding Rates 181
Scott Fausti, Bruce J. Erickson, David E. Clay, and C. Gregg Carlson
Chapter 12. Cost of Crop Production 191
Scott Fausti and Tong Wang
Chapter 13. Mathematics Associated with Seed Emergence, Plant Population, Stand Uniformity, and Harvest Losses 201
Stephanie A. Bruggeman, Sharon A. Clay, Cheryl L. Reese, and C. Gregg Carlson
Chapter 14. Estimating Weed and Insect Development, In-Season Yield Losses, and Economic Thresholds 209
Sharon A. Clay and Adam Varenhorst
Chapter 15. Determining the Economic Optimum Rate for Second Polynomial Plateau Models 225
Christopher J. Graham, David E. Clay, and Stephanie A. Bruggeman
Chapter 16. A Site-Specific Fertilizer Program Assessment Using Soil and Nutrient Removal Benchmarks 231
David E. Clay
Chapter 17. Understanding Grain Moisture Percentage and Nutrient Contents for Precision Grain Moisture 241
Cheryl L. Reese and C. Gregg Carlson
Chapter 18. Calculating the Impacts of Agriculture on the Environment and How Precision Farming Can Reduce These Consequences 247
Clay Robinson
Index 263
