formerly Turf Diagnostics & Design and Hummel & Co. Laboratories.  
As of 1/1/2015, the former Turf Diagnostics & Design of Kansas and Hummel and Co. Lab of New York are now the Turf & Soil Diagnostics lab network. Click here for more information on our new company.



The labs that make up Turf & Soil Diagnostics have combined 40 plus years of providing quality services and advice. We have performed testing and/or consulting on thousands of golf courses, sports fields and landscapes located throughout the world. Our services include laboratory testing of soil, growing media, sand, aggregates, and amendments. Subgrade and rootzone evaluations are our specialties. We also perform research and development, on-site evalutions, and Gmax field hardness testing.

Address:     613 E 1st St. Linwood, KS 66052 Email:    turfdiag@turfdiag.com Contact:   Sam Ferro Phone:    913.723.3700   FAX: