Who We Are
Our trained scientists provide testing, training and consultation in plant nutrition worldwide and have earned a reputation for being able to improve crop production on the most difficult soils.
Providing plant nutrition services worldwide for 50 years
Advanced Methodology
Our laboratory methods are documented in the soil fertility manual written by Dr. Sam Portch of the Potash and Phosphate Institute and Dr. Arvel Hunter of Agro Services International, Inc. Contact us for a copy of this manual.
International Service
We are licensed by the USDA to import soil samples from outside of the USA, please contact us for instructions before shipping samples.