Episode 28: How 4R Nutrient Stewardship Guidance Has Evolved
Season 5
Episode 28
September 8, 2026
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Show Notes
4R Nutrient Stewardship is becoming more practical, more detailed and more adaptable to the way growers manage nutrients across different crops and regions.
In this episode, host Lyle Cowell is joined by Dan Heaney to explore how Fertilizer Canada’s updated 4R Practice Guidance has evolved and what’s changed in their latest update. They discuss the addition of best management practices for sulfur and potassium, new guidance for manure, newly highlighted practices that don’t align with the 4Rs and expanded recommendations across different climates and crops.
Tune in for a look at how 4R Nutrient Stewardship guidance has evolved, including newly added best management practices for all four major fertilizer nutrients, why the framework and new updates matter and how the newest guidance can help put 4R principles into practice.
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"The principles are universal...but the BMPs are built around local conditions."
About the Guest
Daniel Heaney, Ph.D.
Senior Consultant, Random Cross Consulting
Daniel Heaney serves as Senior Consultant at Random Cross Consulting, where he consults on nutrient stewardship, soil and crop management and greenhouse gas reduction from agricultural cropping systems. With a diverse background in agricultural business, research and education, Dan brings a wide range of knowledge on soil science and agronomy. Over his 40-year career, he has worked on numerous projects related to sustainable agriculture. He holds a Ph.D. in soil science from the University of Alberta, he’s a certified Professional Agrologist and Certified Crop Advisor, and he has been an acting board member with the Natural Resources Conservation Board since 2017. He is also an active research associate with Plant Nutrition Canada and a Director on the Prairie Certified Crop Advisory Board.
