You must pass the "Core" pesticide exam, plus send in $20 with an application for a new license. If you are a private fertilizer applicator, that will be a separate exam, or an additional exam if ...

A Private Fertilizer Applicator is anyone who applies manure from a Confined Feeding Operation (CFO) to property they own, rent or otherwise control for purposes of producing an agricultural commodity ...

The certification fee is $100. Lawn-care professionals hired to apply fertilizer to turfgrass are required by law to be certified or work under the direct supervision of an individual who is ...

Home / Business News Review and quiz modules for Iowa commercial pesticide applicator core manual now available Iowa State University Extension Feb. 20, 2012 1:05 pm ...