Soil Testing

Soil Testing Labs

The North American Proficiency Testing (NAPT) Program furnishes agricultural and environmental laboratories with quality control and quality assurance tools through quarterly blind and double-blind statistical evaluation of soil, plant, and water samples. These tools assist laboratories in generating accurate and precise analyses, as well as leveraging their participation in assuring clientele and other consumers of their data that it meets high standards.

Find a soil testing lab in your area!