29 January, 2016
Our recommendation system has the Tri-State (Ohio, Indiana, Michigan), University of Maryland (UMD) and Penn State crop recommendations. Soil testing is just around the corner so if you need supplies you can order on line or by calling the lab.

Spectrum Analytic Inc.
1087 Jamison Rd NW
Washington Court House, OH 43160-8748

Please note that our mailing address has changed