---Latest News---
• If you missed Spud School 2018, video of the workshop will be available soon.
• New Fee Schedule - Effective May 1, 2017 

Making outstanding crops and solving difficult field problems with innovative solutions for growers around the World.

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 modern process methods, TPS Lab is bringing over 75 years of proprietary knowledge and expert testing capabilities to growers, nurseries, landscapers, farmers, academics, agricorps, organics, and government institutions world-wide.

About Us

Events & Announcements

Commodity Classics Trade Show
Commodity Classics Trade Show

iconFebruary 27 - March 1, 2018

iconAnaheim Convention Center - Anaheim, California 92802

iconBooth# 3875


Some of the most important organizations in agriculture


TPS Lab participates in the Agricultural Laboratory Proficiency Program.


TPS Lab is proud to be a member of the Texas Ag Industries Association.



TPS Lab is proud to be an approved lab by the U.S. Composting Council for Seal of Testing Assurance.

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