1. The Wisconsin Soil Test Recommendation Program
UWEX Publication A2809:
Soil Test Recommendations for Field, Vegetable, and Fruit Crops

2. A2809 – “The Bible” Incorporates over 70 years of research
The official recommendations for NRCS 590 NMP
Supported by UW Soil Science Department
Two state-run labs
Uses local calibration
Continuously updated

3. Philosophy of the Wisconsin Soil Test Recommendation Program
Establishes Soil Test Methods
Interprets Fertilizer and Lime Needs
Wide Range of Field Crops and Soils
Uses a Sufficiency Approach
Index of available nutrients
Degree of sufficiency for specific crops
Provide recommendation to correct
Allows economic and informed decision

9. These are changing in 2006. Still an option for farmers.