1. Precision Farming Profitability
Chapter 4: Managing Long-Term Soil Fertility
By Sylvie Brouder, Jess Lowenberg-DeBoer

2. Precision Farming Profitability, p. 31

3. Precision Farming Profitability, p. 32

4. Precision Farming Profitability, p. 34

5. Jim Finstad, Clear Lake, IA
“The future has to be integrating all the data and getting the full value out of it.”
Precision Farming Profitability, p. 35

6. Precision Farming Profitability, p. 38

7. Precision Farming Profitability, p. 38

8. Precision Farming Profitability, p. 39

9. Precision Farming Profitability, p. 40
Northeast
pH = 4.5
Middle
pH = 5.5
Southwest
pH = 7.0
Figure 5. Simulated 10-acre field divided into 3 management groups
Precision Farming Profitability, p. 40

10. Precision Farming Profitability, p. 41