2025 UPDATE
ALTA Now Working with Two Proficiency Programs
ALTA is pleased to announce that it is now partnered with the two primary soil proficiency programs in North America. Those labs seeking ALTA certification can now choose the proficiency program they work with. Members can select when registering for SAC Certification.
About ALTA
Officers & Advisors
About ALTA
The Agricultural Laboratory Testing Association is an organization of professionals dedicated to:
- quality soil testing
- accurate reporting
- sound management advice
- information sharing
Officers & Advisors
Officers & Advisors
Officers & Advisors
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.
Certified Labs
ALTA Soil Certification
Officers & Advisors
The following member labs have met the qualifications for certification by ALTA as of January 1, 2025.
ALTA Soil Certification
ALTA Soil Certification
ALTA Soil Certification
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.
ALTA Members
ALTA Soil Certification
ALTA Soil Certification
List of ALTA Members
Website Links
2025 Workshop Presentations
2025 Workshop Presentations
Recent Presentations to View or Download