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Aug. 25, 2025
Any home gardener in Mercer County can come pick up free cover crop seed, which is a mixture of oat, radish, and cereal rye, for the winter. Please know the square footage of your garden when you come by. Putting in cover crop over the winter has many benefits for your garden, including nutrient retention in the soil, erosion prevention in the winter, and weed suppression in the spring.
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Aug. 14, 2025
Tickets to the 2025 Farm Science Review are on sale now at our office! Single day tickets are $10 in advance, $15 at the gate, and children 5 and under are admitted free.
FSR is held on Tuesday-Thursday, September 16, 17, and 18. It is held at the Molly Caren Agricultural Center, located at 135 SR 38 NE, London, OH 43140.
Presale tickets will be sold until 4:00pm on Monday, September 15 at the OSU Extension Mercer County Office.
Visit fsr.osu.edu for visitor information.
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May. 20, 2025
Judging schedules have been posted!
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Apr. 15, 2025
There are certain requirements that all horse exhibitors, regardless of 4-H club or FFA chapter, must complete to participate in the 2025 Mercer County Jr. Fair. Please see complete details and deadlines here.
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Apr. 15, 2025
In 2025, there are two options for completing swine identificationCounty Tags: After April 1st and before your appointment with the veterinarian, you will need to pick up paperwork and tags from the OSU Extension Office. We encourage you to call or email ahead of time so that we can have your tags ready for you. OR RFID 840 Tags: If your market swine has an official ear tag that is visually and electronically readable (ex: RFID 840), exhibitors can use that for identification. Exhibitors still must obtain official paperwork and signature by licensed veterinarian by May 30.
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Apr. 15, 2025
The identification clinic for market goat and sheep projects will be held at the Mercer County Fairgrounds in the sheep and goat barn on Friday, May 2, 6:00-8:00 p.m. OR Saturday, May 3 from 9:00-10:00 am. You do not need an appointment. OR you may pick up tags and paperwork from the OSU Extension Office after April 1st and have a veterinarian visit your farm and tag your animals. Animals tagged on the farm will NOT be eligible for the rate of gain class and is at the member’s expense.
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Mar. 19, 2025
2025 Harbor Point 4-H Camp Registration is available for Mercer County 4-H members! Click here for for more information and complete registraiton details.
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Jan. 30, 2025
The Mercer County 4-H Committee will be awarding a minimum of $1,500 in scholarships to Mercer County 4-H members. Any member who is currently enrolled and active in their 4-H club may apply the year in which they are graduating high school. More details and the application can be found here - https://go.osu.edu/teengroups.
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Jan. 07, 2025
4-H online enrollment for the 2025 program year is open! All new and returning members must enroll by March 1, 2025.
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Oct. 15, 2024
The identification clinic for market beef projects will be held at the Mercer County Fairgrounds, Beef Barn, on Friday, December 13, 6:00-8:30 p.m. OR Saturday, December 14 from 9:00-10:00 am. Please see complete details here.
