University of Wisconsin Soil and Forage Analysis Laboratory
Madison, Wisconsin
UW–Madison service lab testing soil, plant tissue, forage, manure and lime for Wisconsin farmers and home gardeners; DATCP-certified.
Details & contact
Agronomic soil fertility · Lawn & garden soil test · Plant tissue · Forage analysis · Manure analysis & lime quality
Mail-in samples · lime and fertilizer recommendations
Public-source listing · Checked 2026-10-01. Confirm availability directly.




