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Nutrient Management

The LPE Learning Center manure testing resources are organized by the following topics.

Manure Testing Overview

Step 1. Manure Sampling

• Solid Manure Sampling Procedures
• Liquid Manure Sampling Procedures

Step 2. Manure Test Results

• Common Manure Test Results Conversions
  • Estimating Manure Density

Step 3. Total and Available Nutrients

Step 4. Manure Test Record Keeping

Finding a Manure Testing Laboratory

The following web pages all list laboratories that offer manure testing services. None of these pages claims to have a comprehensive national list, but all have many labs along with contact information listed. You are likely to find one or more labs within reasonable distance for mailing samples.

• University of Missouri Nutrient Management Planning Resources
• Minnesota Certified Manure Testing Laboratories
• Michigan State University Manure Testing Laboratories in the Midwest
• Colorado State University Selecting an Analytical Laboratory includes soil, water and other testing services as well as manure testing.