TP&S LabThe TP&S Lab Method
Making Crops Greater for Growers Around the World Since 1938.
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TP&S Lab Blog
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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

Our Method

TP&S Lab uses the CO2 Extraction Method to extract Potassium (K), Sodium (Na), Calcium (Ca), and Magnesium (Mg) from your soil. This method duplicates the way plants naturally extract these nutrients from ANY soil. TP&S Lab has been testing soils from around the world and providing solutions for growers for more than 70 years.

The CO2 Extraction Method is offered only by a handful of labs around the world, as it is extremely labor-intensive and does not lend itself to an automated processing line as does Mehlich III or other commonly-offered soil nutrition tests.

Other testing methods only tell you the TOTAL CONTENT of Potassium (K), Sodium (Na), Calcium (Ca), and Magnesium (Mg) present. The CO2 Method seprately tells you what is immediately available to the plant (water soluble) and what is
"in reserve" as a locked-up compound (generally unavailable).

This explains why a more standard test may show certain nutrients as adequate or high, yet the plants show deficiencies in those nutrients - and why you may see the same test results, year after year.

Because our method duplicates the way the plant naturally extracts nutrients, it is the most accurate method of measuring Potassium (K), Sodium (Na), Calcium (Ca), and Magnesium (Mg). It does not have to be adjusted according to soil type. The proof is always in crop / plant performance!

CO2 was the first soil nutrient extraction method, develpoed in England by Daubeny in 1845. As analytical technology improved, much work was done on the method by the universities of Arizona and Florida and others in the 20th Century. Building upon those works, TP&S Lab has further developed and refined the testing standards.

But the real value in a TP&S Lab test is in the recommendation. You get a specific fertilzation recommendations for your crop in your soil based on your cultivation practice, whether CONVENTIONAL, SUSTAINABLE, or ORGANIC.

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

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