About Us

About TPS Lab

Established in 1938, the TPS Lab was dedicated first and foremost to the needs of the agricultural community - to the farmers and the growers.

Other About Us Pages

History of TPS Lab
Why Our Method
Frequently Asked Questions

The success of the TPS Lab testing method, the honesty in the advice and the success of the Ask The Plant® system brought about renewed attention to the Daubney Extraction Method and established a leading reputation in the agricultural community for TPS Lab.

Today, utilizing the internet and modern process methods, the TPS Lab is bringing over 70 years of proprietary knowledge and expert testing capabilities to growers, enthusiast, nurseries, landscapers, farmers, academics, agricorps, organics, and government institutions world wide.

Please contact us today at 956-383-0739 and speak with us about your needs.