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Texas Plant and Soil Lab

Established in the heart of the Rio Grande Valley in 1938, the Texas Plant and Soil Lab was dedicated first and foremost to the needs of the agricultural community -- to the farmers and the growers.

The success of the Texas Pland and Soil 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 Texas Plant and Soil Lab.

Today, utilzing the internet and modern process methods, the Texas Plant and Soil Lab is bringing over 70 years of proprietary knowledge and expert testing capabilities to growers, enthusiast, nurseries, landscapers, farmers, acedemics, agri-corps, organics, and government institutions world wide.

Please contact us today at 956-383-0739 and speak with us
about your needs.
We believe our method
is the best. Here's why.
Forms and information for ordering lab testing.
Yes, we do perform the
standard Mehlich III test,
as well as others.
Step by step instructions with illustrations.
Step by step instructions for taking leaf and petiole (stem) samples.
If you can't get to the lab, bring the lab to you.
Elements we can test for with our ICP machine.
Information on testing
Golf Course Grass and Turf.
Compost Testing and Organic Mix Testing