Wisconsin Certified Soil & Manure Testing Laboratories

A Wisconsin nutrient management plan must be based on soil tests conducted at the soil testing laboratory certified by the Department of Agriculture, Trade and Consumer Protection.  This requirement ensures soil test results and recommendations will be generated through analytical procedures approved by the University of Wisconsin with consistent results.  Laboratories must perform with a certain level of success, to remain certified.  

The following soil testing laboratories are Wisconsin DATCP certified.  

Estimates of first-year available nutrient credits for manure shall be established in accordance with one of the following methods:

1.Standard “book values” contained in UW Pub. A2809 and Snap Plus nutrient management software from https://snapplus.wisc.edu/ developed by the UW Madison, Soil Science Department and available free of charge.          

2.Or, manure analysis conducted at a laboratory that participates in the Manure Analysis Proficiency program and interpreted according to the table below.  Wisconsin DATCP certified soil testing laboratories participating in MAP are listed above.  You can learn more about the MAP program and find other participating laboratories at http://www2.mda.state.mn.us/webapp/lis/maplabs.jsp .

For Technical Assistance         Wisconsin Department of Agriculture, Trade and Consumer Protection

For nutrient management plan (NMP) information go to

https://datcp.wi.gov/Pages/Programs_Services/NutrientManagement.aspx

SNAP-Plus software and training opportunities are available at

https://snapplus.wisc.edu/

 

V 8/14/2017

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