4R Nutrient Management Specialist (NMS) Designation

 In order to be eligible and write the Ontario CCA 4R NMS exam, you must be an Ontario CCA in good standing. 

4R NMS Exam and Information

The 4R NMS exam is offered on-demand. You can take the exam at any time throughout the year. Once you register and pay for the exams, you have 60 days to write. If you fail the exam, you must wait 15 days before you register to take it again. Results are immediate once you finish your exam. 

We do not offer a 4R NMS Pre-exam Workshop anymore. Presenters have recorded their sessions and made them available to purchase for $75.00 + HST. Fill out the pdf form below and email completed forms to Laura at to get access to the recordings. 

4R NMS Resource Guide

To view our old version of the 4R Nutrient Management stewardship Guide online, please click the link to the right. Please note that this version can only be viewed online, it cannot be downloaded or printed.

The new copy of the guide can be purchased below. The 4R Guide is $66.06 (includes tax and shipping).

To view the 4R NMS Performance Objectives please click here.


4R Guide

Click to view online (Free)

This study guide is not the current version. The new version was re-printed in 2021. For the most recent version, visit the payments page to order the new guide.

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