Since 1958, AgSource Harris Laboratories has been conducting testing services-serving all 50 states and over 35 countries worldwide. Our experience and dedication is unparalleled in the industry. Our full-time laboratory staff is highly-trained and qualified to employ the industry accepted laboratory testing methods, utilizing our state-of-the-art instrumentation. As an ongoing part of our quality control measures, annually we conduct analysis on thousands of accuracy checks samples alone.

AgSource Harris Laboratories was the first laboratory of its kind to be certified by the American Association of Laboratory Accreditation.

AgSource Harris Laboratories is much more, however, than a turf-testing resource. Our customer service, personalized education, state-of-the-art facilities, online results, full-time laboratory staff, and follow-up resources make us the industry's leading innovator of comprehensive, full-service laboratory analysis relationships.

For laboratory specific information regarding turf analysis, laboratory accuracy, test packages/supplies, technical bulletins, sampling guides or feature reports please contact: