About this course

GRDC Communities developed this course with Dr. Rob Norton from the International Plant Nutrition Institute (IPNI). The 4Rs are principles that guide better, more efficient and more responsible fertiliser use. Growers and advisors around the world are using the 4Rs to improve how they use fertilisers.

This course will develop your understanding of:

  • the 4R Framework's core principles and their interdependence
  • the relationship of each R to environmental, economic and social sustainability objectives
  • how to adapt the 4R framework to different situations

At a glance:

Course duration: Self-paced
Start date: Enrol anytime
Number of units: Non-accredited
Indicative fees: NIL
Accredited Course: No


This course should take you about 3 hours to complete. There are four modules:

  1. The right source
  2. The right rate
  3. The right time
  4. The right place

Each module includes a short quiz to test your understanding.

This course is available free of charge through the Tocal College Canvas learning platform. Click the Enrol now button to access the course.

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