Category 14 (Fertilizer Management) Certification
When does a farmer need to have a Category 14 (Fertilizer Management) Certification?
1.) If a farmer is applying commercial fertilizer (Nitrogen, Phosphorous, Potassium) on his own fields, there is no need for a certification.
2.) If a farmer is applying manure not from a Confined Feeding Operation, there is no need for a certification.
3.) If a famer is applying less than 10 cubic yards of manure from a Confined Feeding Operation, there is no need for a certification.
4.) If a farmer is applying more than 10 cubic yards of manure from a Confined Feeding Operation, they will need Category 14 Certification and to keep the proper records.
5.) If a farmer is applying to someone else’s land, they need a Category 14 certification and they will need to apply for a commercial For Hire license as well as a business license.
Category 14 includes: Commercial for-hire fertilizer applicators and businesses using commercial fertilizers or manure from a confined feeding operation (CFO) in the production of agricultural crops.
Here’s the web page with more information: https://www.oisc.purdue.edu/pesticide/fert_app_cert_rule.html
Featured Stories
A few peach growers have inquired about protecting their peach trees from a disease they...
The Washington County SWAG (See What Ag. Gives) Team is accepting nominations for the 2026 Ag....
Join the SWAG Team on Monday, June 15, 2026 at 5:00 pm at the Washington County Fair for the Ag....
Along with our country’s 250th birthday, we also celebrate 250 years of progress in...
Purdue Extension Knox County 2026 Newsletter, featuring news in all of our program areas. Learn...
Create your own colorful, geometric 2’x2’ masterpiece to hang on a barn, home or...