AGRICULTURAL FERTILIZER CERTIFICATION
Top of Ohio (West Central Ohio) 
December 3, 2025, 9 AM - 12 PM (Fertilizer)
Mercer County Agricultural Center
4978 Mud Pike Road, Celina, OH 45822
Ryan McMichael email: mcmichael.33@osu.edu
Phone: 419-586-2179
December 18, 2025 VIDEO
Fertilizer Recertification: 12 PM - 1 PM
Hobart Building First Floor Conference Room
510 W Water St, Troy, OH 45373
Amanda Bennett email: bennett.709@osu.edu
Phone: 937-440-3944
Miami County 'Snowbird' PAT
Online Registration: www.go.osu.edu/miamirecert26
December 22, 2025, 9 AM - 12 PM (Fertilizer)
Shelby County Extension Office
810 Fair Rd., Sidney, OH 45365
Rylee Kay Puthoff email: puthoff.84@osu.edu
Phone: 937-419-7126
January 6, 2026
Fertilizer Recertification: 1 PM - 2 PM
Shelby County Fairgrounds -- Clopay Bldg
701 S Highland Ave, Sidney, OH 45365
Rylee Kay Puthoff email: puthoff.84@osu.edu
Phone: 937-419-7126
January 12, 2026
Fertilizer Recertification: 1 PM - 2 PM
Celina Eagles Lodge
1400 E. Market Street, Celina, OH 45822
Ryan McMichael email: mcmichael.33@osu.edu
Phone: 419-586-2179
January 13, 2026
Fertilizer Recertification: 5 PM - 6 PM
Shelby County Fairgrounds -- Clopay Bldg
701 S Highland Ave, Sidney, OH 45365
Rylee Kay Puthoff email: puthoff.84@osu.edu
Phone: 937-419-7126
January 22, 2026
Fertilizer Recertification: 11:30 AM - 1 PM
Auglaize County Junior Fair Building
1001 Fairview Drive, Wapakoneta, OH 45895
Jacob Winters email: winters.215@osu.edu
Phone: 419-910-6060
January 23, 2026
Fertilizer Recertification: 1 PM - 2 PM
Darke DD
5844 Jaysville- St Johns Rd, Greenville, OH 45331
Caden Buschur email: buschur.46@osu.edu
Phone: 937-569-5001
January 29, 2026
Fertilizer Recertification: 8:30 AM - 9:30 AM
Tri-County Administration and Training Center
1280 N County Road 25A Training Room, Troy, OH 45373
Amanda Bennett email: bennett.709@osu.edu
Phone: 937-440-3944
Miami County 'Regular' PAT
Online Registration: www.go.osu.edu/miamirecert26
January 29, 2026, 12 PM - 3 PM (Fertilizer)
Hardin County Extension Office
1021 W. Lima St., Suite 103, Kenton, OH 43326
Nic Baumer email: baumer.15@osu.edu
Phone: 419-674-2297
February 2, 2026
Fertilizer Recertification: 5 PM - 6 PM
Celina Eagles Lodge
1400 E. Market Street, Celina, OH 45822
Ryan McMichael email: mcmichael.33@osu.edu
Phone: 419-586-2179
February 4, 2026, 8:30 AM - 11:30 AM (Fertilizer)
Auglaize Co. Admin. Bldg.
209 S. Blackhoof St., Wapakoneta, OH 45895
Jacob Winters email: winters.215@osu.edu
Phone: 419-910-6060
February 6, 2026
Fertilizer Recertification: 8 AM - 9 AM
Champaign County Community Center
1512 S US HWY 68, Urbana, OH 43078
Ambria Small email: small.139@osu.edu
Phone: 937-772-6010
February 9, 2026, 5:30 PM - 8:30 PM (Fertilizer)
Auglaize Co. Admin. Bldg.
Tri-County Administration and Training Center
1280 N County Road 25A Training Room, Troy, OH 45373
Amanda Bennett email: bennett.709@osu.edu
Phone: 937-440-3944
Online Registration: go.osu.edu/miamidarkefert
February 19, 2026
Fertilizer Recertification: 1 PM - 2 PM
Union County Services Center
940 London Ave, Suite A & B, Marysville, OH 43040
Wayne Dellinger email: dellinger.6@osu.edu
Phone: 937-644-8117
Online Registration: go.osu.edu/unionpat2026
February 19, 2026
Fertilizer Recertification: 4:30 PM - 5:30 PM
Darke DD
5844 Jaysville- St Johns Rd, Greenville, OH 45331
Caden Buschur email: buschur.46@osu.edu
Phone: 937-569-5001
February 26, 2026
Fertilizer Recertification: 12 PM - 1 PM
Western Ag Research Station/OARDC
7721 S. Charleston Pike, South Charleston, OH 45368
Pam Bennett email: bennett.27@osu.edu
Phone: 937-398-7595
February 26, 2026
Fertilizer Recertification: 4 PM - 5:30 PM
Waynesfield Public Library
108 East Wapakoneta Street, Waynesfield, OH 45896
Jacob Winters email: winters.215@osu.edu
Phone: 419-910-6060
March 5, 2026
Fertilizer Recertification: 8 AM - 9 AM
Hardin County Fairgrounds-Community Building
14134 Letson Avenue, Kenton, OH 43326
Nic Baumer email: baumer.15@osu.edu
Phone: 419-674-2297
March 19, 2026
Fertilizer Recertification: 5 PM - 6 PM
OSU Extension Logan County
1100 S. Detroit St., Bellefontaine, OH 43311
Jacob King email: king.3013@osu.edu
Phone: 937-565-6074
March 26, 2026, 9 AM - 12 PM (Fertilizer)
Union County Agricultural Center
18000 St Rt 4, Marysville, OH 43040
Wayne Dellinger email: dellinger.6@osu.edu
Phone: 937-644-8117
Online Registration: go.osu.edu/unionfertcert
Auglaize County (Educator: Jacob Winters) - 419-910-6060
Champaign County (Educators: Grant Davis) - 937-484-1526
Clark County (Educator: Pam Bennett) - 937-521-3860
Darke County (Educator: Caden Buschur) - 937-548-5215
Hardin County (Educator: Nic Baumer) - 419-674-2297
Logan County (Educator: Jacob King) - 937-599-4227
Mercer County (Educator: Ryan McMichael) - 419-586-2179
Miami County (Educator: Amanda Bennett) - 937-440-3945
Shelby County (Educator: Rylee Kay Puthoff) - 937 419-7126
Union County (Educator: Wayne Dellinger) - 937-644-8117
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(Intended for applicators who currently have a pesticide applicator license)