PMAB Licence Holder

Engage in the business of applying GNF to land at an agricultural operation subject to a GNF Plan

For people who represent businesses that want to land apply GNF and/or complete Land Application Schedules for agricultural operations they do not own, operate or work for, and the operations are subject to a GNF Plan.


1. Must hold a valid Prescribed Materials Application Business (PMAB) Licence


1.  Review online information module:

Greenhouse Nutrient Feedwater (GNF) Management: Information for PMAB Licence Holders

Reviewed 09/14/2023


Business Development Centre
University of Guelph, Ridgetown Campus
120 Main St. E
Ridgetown, ON N0P 2C0
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This Project is funded by the Ontario Ministry of Agriculture, Food and Rural Affairs