TP&S LabThe TP&S Lab Method
Making Crops Greater for Growers Around the World Since 1938.
Call Us M-F 9AM-5PM
Se habla español
956-383-0739
Map Info & Disclaimer  
 
TP&S Lab Blog
the latest from our news feed
Category: Uncategorized, Farm Ranch and Dairy Magazine, Potato, Soil
TP&S Lab’s own Larry Zibilske, Ph.D., and Noel Garcia, C.C.A. penned the lead cover-story in the current edition of Western Farm, Ranch & Dairy Magazine. To order a physical copy you can contact them here: http://www.farmranchdairy.com/frd_order.htm where you can also view all of their periodicals online: http://www.farmranchdairy.com/frd_order.htm including our featured copy here: http://www.farmranchdairy.com/farmranchdairy/pdf/FRD_RM-HL_44.pdf
Tue, 17 Feb 2015 21:40:34 +0000

Category: Blog, soil lab, soil testing
Texas Plant and Soil Lab has been testing soil for farmers and growers since 1938. And while technology advances and some tools become fancier and quicker, the process of testing soil remains largely the same. And while our nutritional standards are updated and refined each year based off last seasons success and ongoing environmental changes, […]
Thu, 12 Feb 2015 20:42:05 +0000

Category: Blog, Ag Lab, Compost, compost testing, tpsl
TP&S Lab is a U.S. Composting Council approved Seal of Testing Assurance (STA) laboratory for STA participating composters in the USA and Canada. TP&S Lab performs compost testing for TX DoT. TP&S Lab performs proprietary testing protocols developed over 60 years of experience. TP&S Lab provides a wide range of Compost Testing including Micronutrients, Germination, […]
Tue, 10 Feb 2015 21:07:46 +0000

Category: Blog, garden, soil testing, tomatoes
Getting ready for Spring planting? It’s not too late to get a soil test. Make sure that your soil not only has enough nutrients for your plant, but that those nutrients are chemically available to your plant’s roots. Find out that and more when you use our Lawn and Garden Soil Test Sample Return Mailer […]
Mon, 09 Feb 2015 18:38:13 +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.

Can't find what
you're looking for?
Latest news, current
events, all the latest.
Check our calendar
of upcoming events.
Like us on our
FaceBook page.
Founded by
K. Chandler and sponsored by TPSL.
Subscribe to our Email»
Subscribe to our newsletterSign up for our
Monthly HTML EMail.

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.
Home | Soil Test | Plant Test | Water Test | Heavy Metals Test | Compost Test | Humate Test | Manure Test | Onion Pungency Testing | About Us | Contact Us
Texas Plant & Soil Lab is a full service Analytical and Consulting Agronomic Laboratory.
call us M-F 9:AM-5:PM 956-383-0739 Se habla español
copyright © 2011-2012 by Texas Plant & Soil Lab - web design and hosting by mattgillmore.com
TPSL® and Ask The Plant® are Registered Trademarks of Texas Plant & Soil Lab