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Making Crops Greater for Growers Around the World Since 1938.
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TP&S Lab Blog
the latest from our news feed
Category: Blog, tp&s lab
Curing diseased fields, restoring hailed-out crops, growing record-breaking yields, saving family farms: TP&S Lab is changing the path of global agriculture one test at a time. Read real stories in our October Newsletter, Pages 5-10: http://www.texasplantandsoillab.com/lab-testing/wp-content/uploads/2014/11/TPSL-LAB-NEWS-2014-10.pdf
Mon, 10 Nov 2014 23:30:33 +0000

Category: Blog, Lab News, tp&s lab
Greetings! There is a lot happening at TP&S Lab and we’re excited to tell you all about events in October. Please download our PDF for New from the Lab! TPSL LAB NEWS OCT 2014 (This is a 22MB PDF and may take a moment to load. Thanks for your patience.)
Tue, 04 Nov 2014 18:56:25 +0000

Category: Blog, drought 2014, tp&s lab
While drought conditions continue across much of Texas and the Southwest, we got some much needed rain at the lab this month. Just a few pictures of flash flooding around the Lab in Edinburg.
Fri, 26 Sep 2014 16:21:07 +0000

Category: Blog

Thu, 25 Sep 2014 17:04:26 +0000

Soil Testing

TP&S Lab has been performing soil test and analyzing crop specific soil data since 1938. This page serves as a launch point for all your soil testing needs and questions.

Order Soil Testing Online

TP&S Lab makes soil testing orderable online in two different ways:

(1) Direct Purchase Price with no sample bag and no return mailer box. This testing is sold at the cheapest price with no materials or retail mark-up.

(2) Return Mailer Kit, sent to your address with order form, printed instructions, sample bag and return shipping box. Retail price includes printed materials, handling and shipping.

Soil Test Direct Pricing Category Page
For directions and a complete list of Direct Purchase Price soil testing, please visit this page.

Soil Test Return Mailer Kit Category Page
For a complete list of return mailer kits, please visit this page.

Soil Test by Packages
Soil test packages grouped together in the most popular bundles at a discounted price.
TPSL® SOIL TEST + LOI + SOLVITA®
CALIFORNIA TPSL® SOIL TEST
TPSL® SOIL TEST + LOI
TPSL® SOIL TEST

Stand alone Soil Tests direct pricing.
TPSL® SUBSOIL TEST
MEHLICH III SOIL TEST FULL SCREENING
MEHLICH III SOIL TEST

Add-On Soil Tests direct pricing.
These Add-On test can be purchased in corresponding quantities to ordered tests.
SOLVITA® SOIL HEALTH & ACTIVITY TEST
ADD-ON TESTING OF CHLORIDES TO SOIL TEST
ADD-ON TESTING OF TEXTURE (BOUYOUCOS HYDROMETER METHOD) TO SOIL TEST
ADD-ON TESTING OF LOI (LOSS ON IGNITION) TOTAL ORGANIC MATTER TO SOIL TEST
ADD-ON TESTING OF SULFATE TO SOIL TEST
ADD-ON TESTING OF CEC – CATION EXCHANGE CAPACITY + % BASE SATURATION – MEHLICH III

Order Soil Testing offline
To download the printable forms for traditional ordering, please choose:

  • Soil Test Form for Single-Sample Soil Test
  • Soil Test Form for Multi-Sample Soil Test
  • Soil Test Form for Lawn & Garden Soil Testing
  • View All Laboratory Testing on one web page
  • View Current Testing Catalog and Fee Schedule PDF

  • International Soil Testing

  • International Soil Permit and Instructions
  • Learn More about our Soil Testing Method

  • Why should I use a soil test?
  • Why our method is superior
  • Crop Specific soil testing

  • The "How To's" of Soil Testing

  • See an example TP&S Lab Soil Test Report
  • How to Take a Soil Sample for a TP&S Lab Soil Test
  • Interpretation guide to TP&S Lab Soil Test Reports
  • TP&S Lab Soil Testing Price List PDF
  • Why should I have my soil tested?

    A pre-plant soil test will tell you what fertilizers you need to apply to get your plants off to a good start by providing them with proper soil fertility at planting.

    A post-harvest soil test tells you what nutrients your crop removed so you can start preparing your soil for the next crop.

    Different plants remove different nutrients at different rates throughout the growing season. Worse yet, some soils readily leach out nutrients while other soils rapidly tie up nutrients into compounds that are not readily available to the plant. By the end of the season, there can be little available nutrients left.

    Proper soil nutritional balance can reduce water usage by 40 to 60 percent and dramatically reduce fertilizer requirements by
    applying only what the crop needs.

    YOU CAN’T GUESS about fertilizer application and expect to attain the best economic yields and plant quality.

    Why are TPSL®'s tests and recommendations superior?

    TPSL® uses the Carbon Dioxide (CO2) Extraction Method because it mimics the way plants naturally take up nutrients in every soil type.

    This method was developed in 1845 by Charles G.B. Daubeny of Oxford, England and was one of the first extraction methods. It was not until the 20th Century that analytical technologies advanced to allow the method to be further developed by the universities of Arizona and Florida, and others. TPSL® has continued to build upon and develop those earlier works for more than 40 years.

    Utilizing the Carbon Dioxide (CO2) Extraction Method reveals the amounts of soil nutrients that are immediately available to the plant, as well as those nutrients that are “in reserve” or slowly-available.

    Other labs tell you only the total content, much of which may be unavailable to the plant. This explains why more recent testing methods may show certain nutrients as adequate or high, yet the plants show deficiencies in those same nutrients – and why you may see the same test results, year after year.

    With our tests you get detailed recommendations for correcting problems and building healthy, live soils using the Albrecht System of fertility balancing – specifically for your soil, your plants and your cultivation practice – whether Conventional, Sustainable or Organic.

    See Explanation of Soil Organic Matter here.

    In addition to the Carbon Dioxide (CO2) Extraction Method, TP&S Lab also offers the standard methods to conduct nutrient analysis, including DTPA, Mehlich III, Ammonium Acetate (Modified Morgan) and others.

    For more details and more information on why the TP&S Lab method of Soil Test is superior to assembly-line automated lab testing, please see our page, Why Our Method?

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

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    nutritional papers & method.
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    TP&S Lab is proud to be a member of the Texas Wine and Grape Growers Association.
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    TP&S Lab is proud to be an approved Lab by the U.S. Composting Council for Seal of Testing Assurance.
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    Enology and Viticulture.
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    *ASEV and the ASEV Logo are licensed trademarks of the American Society for Enology and Viticulture.
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