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2025 Ohio Agricultural Fertilizer Applicator Recertification

This online recertification course provides one hour of recertification credit for Ohio Agricultural Fertilizer Applicators. Completion of this one hour program in its entirety will be required for all Ohio Agricultural Fertilizer certificate holders who still need credit, regardless of the number of credit hours already obtained.

Deadline for Private Pesticide Applicators and Fertilizer Certificate only: March 31, 2025
Deadline for Commercial Pesticide Applicators: September 30, 2025

There are NO refunds issued for this course.

Questions? Please call the Pesticide Safety Education Program at: 614-292-4070.

Enter the enrollment key below from the CVENT payment confirmation to access this course. No enrollment key? Purchase access to this course by clicking here.

There are NO refunds issued for this course.

5-2025 Ohio Commercial Pesticide Applicator License Recertification (5 Hour)

This online recertification course is for Ohio Commercial Pesticide Applicators who need 4.5 or more recertification credit hours to recertify.

Enter the enrollment key below from the CVENT payment confirmation to access this course. No enrollment key? Purchase access to this course by clicking here.

There are NO refunds issued for this course.

Questions: Call OSU Pesticide Safety Education Program at 614-292-4070 or email us at pested@osu.edu

4-2025 Ohio Commercial Pesticide Applicator License Recertification (4 Hour)

This online recertification course is for Ohio Commercial Pesticide Applicators who need 3.5-4 recertification credit hours to recertify.

Enter the enrollment key below from the CVENT payment confirmation to access this course. No enrollment key? Purchase access to this course by clicking here.

There are NO refunds issued for this course.

Questions: Call OSU Pesticide Safety Education Program at 614-292-4070 or email us at pested@osu.edu

3_2025 Ohio Commercial Pesticide Applicator License Recertification (3 Hour)

This online recertification course is for Ohio Commercial Pesticide Applicators who need 2.5-3 recertification credit hours to recertify.

Enter the enrollment key below from the CVENT payment confirmation to access this course. No enrollment key? Purchase access to this course by clicking here.

There are NO refunds issued for this course.

Questions: Call OSU Pesticide Safety Education Program at 614-292-4070 or email us at pested@osu.edu

2_2025 Ohio Commercial Pesticide Applicator License Recertification (2 Hour)

This online recertification course is for Ohio Commercial Pesticide Applicators who need 1.5-2 recertification credit hours to recertify.

Enter the enrollment key below from the CVENT payment confirmation to access this course. No enrollment key? Purchase access to this course by clicking here.

There are NO refunds issued for this course.


1_2025 Ohio Commercial Pesticide Applicator License Recertification (1 Hour)

This online recertification course is for Ohio Commercial Pesticide Applicators who need 0.5-1 recertification credit hours to recertify.

Enter the enrollment key below from the CVENT payment confirmation to access this course. No enrollment key? Purchase access to this course by clicking here.

There are NO refunds issued for this course.

Agricultural Crop Pest Control

This course will prepare you for Idaho State Department of Agriculture pesticide exam Agriculture Crop Pest Control (AC) category. For professional applicators who use or oversee the use of pesticides in the production of agricultural commodities, including grasslands and non-crop agricultural lands.

You will have access to eight online instructional sessions to complete at your own pace. Each session contains an outline to use for enhancing your study and quizzes to evaluate your knowledge.

The fee for this course is $75-one month access. To purchase and enroll in the course, click the following button:

Proper Respirator Use

This Proper Respirator Use course will help you understand when and why a respirator is necessary, how to safely and correctly select, wear and maintain a respirator, respect a respirator's capabilities and limitations, recognize and respond appropriately in emergency situations, and comprehend the medical signs and symptoms that may limit or prevent effective respirator use. 

This course is designed to take approximately 1 hour. One (1) Safety CEU is available for residents in the following states.
  • Oklahoma
  • Utah
Teacher for the course is Michael Wierda, Utah State University. He can be reached at michael.wierda@usu.edu


Respiratory Hazards and Protection in Agriculture

This module will cover common respiratory hazards and diseases found in agriculture. The module also discusses how to reduce exposures and the use, regulations and requirements, and maintenance of the most commonly used respirators in agriculture.  

This course is designed to take approximately 1 hour. 
One (1) Safety CEU is available for residents in the following states.
  • Oklahoma
  • Utah
Teacher for the course is Michael Wierda, Utah State University. He can be reached at michael.wierda@usu.edu.