About ALTA

The Agricultural Laboratory Testing Association is an organization of professionals dedicated to:

• quality soil testing   
• accurate reporting   
• sound management advice 
• information sharing

How to Register to Join ALTA

Officers & Industry Advisors

A dedicated group of individuals committed to the quality of soil and plant tissue testing and the education / certification of member labs.

The following member labs have met the qualifications for certification by ALTA as of Feb. 20, 2023. 

The ALTA-SAC Program ensures that member laboratories provide their clients with reliable and accurate test results through lab participation in a quality assurance program. 

The ALTA-PAC Program ensures that member laboratories provide their clients with reliable and accurate test results through lab participation in a quality assurance program.  

List of ALTA Members

Website Links 

Updated Information / Meetings 

Recent Presentations to View or Download