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Making Crops Greater for Growers Around the World Since 1938.
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TP&S Lab Blog
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Category: Blog, grape testing
Texas Plant and Soil Lab supports Grape Growers for Produce and Wineries by Offering Special Grape Specific Testing for Soil, Leaf and Petioles Texas Plant and Soil Lab is a member of Texas Wine and Grape Growers Association and has been a long and avid supporter of vineyards in Texas, California and Mexico. TPSL has […]
Mon, 20 Apr 2015 21:07:20 +0000

Category: Blog, soil testing
Soil Testing at Texas Plant and Soil Lab is still processed by hand, still CO2 extracted, still double-checked and verified much as it has been since 1938. And while the nutritional guides have been updated yearly, and the process has been modernized as technology allows, the goal and the sentiment is still the same – […]
Tue, 07 Apr 2015 18:00:23 +0000

Category: Blog
Texas Plant and Soil Lab has been testing soil since 1938, using a superior form of extraction method that mimics the way plant’s roots take up nutrients from the soil. Along the way, prominent TP&S Lab owner K. Chandler set the stage for our plant nutrition monitoring program, “Ask the Plant”. And since the late […]
Mon, 09 Mar 2015 18:43:55 +0000

Category: Blog, Lab News
Another PDF installment of Lab News from Texas Plant and Soil Lab! TPSL LAB NEWS FEBRUARY 2015
Thu, 05 Mar 2015 01:51:16 +0000

About Us - TP&S Lab

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

The success of the TP&S 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 TP&S Lab.

Today, utilzing the internet and modern process methods, the TP&S 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.

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Ask the Plant
TP&S Lab
is proud to be the sponsor
of Ask The Plant®
Visit our sister site
asktheplant.com for
nutritional papers & method.
TP&S Lab is proud to be a member of the Texas Ag Industries Association.
Texas Wine & Grape Growers Association
TP&S Lab is proud to be a member of the Texas Wine and Grape Growers Association.
US Composting Council
TP&S Lab is proud to be an approved Lab by the U.S. Composting Council for Seal of Testing Assurance.
TP&S Lab is proud to be a member of the American Society for
Enology and Viticulture.
American Society for Enology and Viticulture
*ASEV and the ASEV Logo are licensed trademarks of the American Society for Enology and Viticulture.
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Texas Plant & Soil Lab is a full service Analytical and Consulting Agronomic Laboratory.
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