Specialists in Soil Fertility, Plant Nutrition, Compost and Irrigation, Hydroponic, Aquaponic and Aquaculture Water Quality Testing and Consulting Internationally since 1938.

Click Here for the COMPLETE Fee Schedule with Test Descriptions and References

Our ADDRESS has CHANGED
It is now
4915
West Monte Cristo Road
Edinburg, Texas 78541
Soil Sample Bags and some materials may show the old
5115 address.
DOWNLOAD LATEST FORMS
Forms are periodically updated but we still get
obsolete forms.

EVENTS AND ANNOUNCEMENTS
 
Latest Publication
Feb. 2, 2017
Silicon
 
ACRES
Booth #200 – Presentation – Workshop
December 5-8 in Columbus, Ohio
Acres 2017
 
Commodity Classic, March 1, 2018, Anaheim CA
Commodity Classic