Field & Lab Services


Field Inspection​

Ohio Seed Improvement Assn. (OSIA) provides third party field inspection and seed lab testing services. In addition to Certified Seed, we provide services for Quality Assurance seed and Identity Preserved grain. We are designated as the official Noxious Weed Free Forage and Mulch (NWFF&M) Certification Agency in Ohio. Read More…

Seed Lab Testing​

Our full service seed lab provides testing for both OSIA Members and non-members. We regularly test over 400 different species of seeds ranging from: corn, soybeans, and cereal grains to small seeds, vegetables, flowers, cover crops, turf and native grasses. Read More…




OSIA is designated by the Ohio Legislature as the Official Seed Certifying Agency for the state of Ohio. Seed certification is a limited generation program for assuring the genetic purity of seed. Read More…

Quality Assurance

QA is an unbiased third party program involving field inspecting, record keeping and lab testing. Our role is to help identify planting stock quality problems before seed lots enter the market place to the farmer or end user. Read More…

Identity Preserved

IP is a comprehensive system to help assure the production of genetically pure product by planting seed of a known variety, field inspection, and post harvest lab testing. Program requirements increase the probability of end users obtaining non-GMO product. Read More…

Noxious Weed Free Forage & Mulch

OSIA is the designated official NWFF&M Agency in Ohio. Program standards comply with the Regional Weed Free Forage Certification Standards developed by the  North American Invasive Species Management Association (NAISMA). Read More…

2020 Seed School Sponsors & Exhibitors


Weeds & Germination of Cover Crop Seeds

OSU released an excellent article on the importance of testing cover crops for germination, mechanical purity and a weed seed exam. Make sure your seed is clean. Contact our Ohio seed lab for more information on testing your cover crops!

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