Ohio Rev. Code § 905.325: Civil actions; affirmative defenses.

In a private civil action for claims involving or resulting from the application of fertilizer, it is an affirmative defense if all of the following apply:

(A) The person applying the fertilizer is certified or is applying fertilizer under the instruction and control of a person who is certified under section 905.321 of the Revised Code and rules.

(B) Records have been properly maintained for the application of fertilizer as required by rules adopted under division (A)(2)(f) of section 905.322 of the Revised Code.

(C) The fertilizer has been applied according to and in substantial compliance with a voluntary nutrient management plan developed under section 905.323 of the Revised Code, provided that the plan has been approved under that section or developed by the supervisors of the applicable soil and water conservation district under that section.