TP&S LabTP&S Lab
Making Crops Greater for Growers Around the World Since 1938.
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Category: Blog
The secret to TP&S Lab’s success is our proprietary plant nutritional standards, which have been continuously updated since standards were initially published in the early 1950s – standards under which, most labs (whether private or institutional) still operate. Our ever-dynamic standards accommodate generally-declining soil conditions and new crop varieties – among other things. After all […]
Thu, 22 Jan 2015 21:26:42 +0000

Category: Blog
We’re running a skeleton crew today to keep all lab testing processing on time even during the New Year’s Holiday week. We will be closed Thursday, January 1st so that our families and yours can spend time celebrating the New Year. Business-day turn-around times on all testing should remain consistent. Here’s a great picture from […]
Tue, 30 Dec 2014 18:46:48 +0000

Category: Blog
Happy Monday from TP&S Lab! We’ve got a skeleton crew running this week, so we can keep all of your soil testing, your plant testing – all lab testing – running on schedule. We’ll be closed Thursday, January 1st for New Year’s Day and back in the lab with a skeleton crew on Friday, January […]
Mon, 29 Dec 2014 16:24:50 +0000

Category: Blog
Please download the PDF for our latest lab news! TP&S LAB NEWS DECEMBER 2014
Thu, 18 Dec 2014 21:03:41 +0000

Our Testing Catalog with Pricing for 2015 is
Now Available!
Click Here to download it in PDF form.

You can now order all of our testing online!
Click Here for more information and to order.

Welcome to TP&S Lab

TP&S Lab, established in 1938 in the heart of the Rio Grand Valley, is a leading national testing lab for Soil, Plant, and Water analysis.

For over 75 years we have been perfecting the process of laboratory soil analysis, the Daubeny Extraction Method, utilizing Carbon Dioxide (CO2) to mimic the way plants naturally take in nutrients, and the Albrecht system of fertility balancing for optimum crop yields.

If you don't know what is in your soil or water, if you are at a loss to explain poor plant performance, if you have been told your soil or water or plants are beyond help, if you desire better yields and consistent harvest, or if you are unaware of the heavy metals in your soil, water and crops, we can help.

Our spectrum of services range from mail-in soil test kits for the
at-home enthusiast, to resellable services for commercial providers such as nurseries, landscapers and greenskeepers, to government contracts, agri-corps and universities all over the world.

In conjunction with the most accurate of laboratory results in the industry and the closest to Nature of methods, TPSL specializes in soil fertility and plant nutrition. We have trained and certified professionals who have interpreted tens of thousands of soil test over decades of years.

Our proprietary Ask the Plant® program allows you to dynamically adjust your fertilization program to accommodate your crop's ever-changing nutritional requirements throughout the growing season resulting in higher crop yields, reduced water use, eliminating fertilizer waste and ensuring a healthy, safe product.

We are proficient in all chemical, organic, biological and physical aspects of agricultural science.

On our site you can review our services for soil, plant, and water testing, analysis and recommendations. We are also able to accommodate special requirements testing not see here.

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

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Ask the Plant
TP&S Lab
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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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