Our Story

Our goal is to provide sound, data driven agronomic advice along with the highest quality laboratory services.

Dellavalle Laboratory was founded in 1978 for the purpose of helping growers maximize their production goals and minimize their use of unneeded inputs. Over the years, Dellavalle Laboratory has grown into one of the foremost consulting laboratories in California with clients throughout the United States and the World.

We are headquartered in Fresno, CA, with field offices in Hanford, CA and Davis, CA. The Dellavalle team consists of experienced certified crop advisors, certified professional agronomists, certified professional soil scientists, certified water treatment and distribution operators, field technicians, and chemists. We are here to help our clients collect, analyze, and interpret their data.

Our Laboratory specializes in soil, water and plant tissue analysis. We take pride in our quality assurance and quality control measures and strive to hold ourselves to the highest professional standards and ethics. The laboratory is Environmental Laboratory Accreditation Program (ELAP) certified and we take part in the North American Proficiency Testing Program (NAPT).

Nat Dellavalle (Right) May 1969

Our Values

Always do the right thing. No exceptions.

Integrity is an integral part of who we are and how we operate.

Work hard.

The clients we serve are some of the hardest working people on the planet, and we should be too.

Never stop learning.

Here at Dellavalle we are always looking to innovate and improve our craft.

Have a question? We're here to help.

Contact us today to learn more about our agricultural services.
  • Over 40 Years Experience
  • Serving California
  • Satisfaction Guaranteed!
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