The Irrigation Association is a trade association of about 1800 companies in the agriculture and landscape industries.: 765 It was established in 1949. Certified irrigation designers with a specialty in sprinkler, surface or drip-micro qualify to become Technical Service Providers for U.S. Department of Agriculture (USDA) projects through the Natural Resources Conservation Service. In September 2010, the Irrigation Association began offering computer-based testing for certification exams. More information...
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