Fertilizer is fundamental to agriculture and key to feeding all us, but excess nitrogen and phosphorus have unintended effects on soil ecosystems, water quality, and greenhouse gas emissions. This episode explores how the 4R Nutrient Stewardship program brings together research, agronomy, environmental science, and education to help farmers plan fertilizer use to conserve the environment while growing their crops. 4Rs practices can reduce phosphorus contributing to excessive algal growth and eutrophication, as well as reduce conversion of nitrogen to the greenhouse gas nitrous oxide. Extensive research is needed to define and support these practices. McKenzie Smith, Director, Stewardship and Regulatory Affairs at Fertilizer Canada in Ottawa and Nicole Penney of FS PARTNERS out of Guelph help us explore this topic. This second part of a two-part exploration of the 4Rs delves into the science, environmental aspects and related research on the 4Rs system. (First aired in 2020).
More information:
https://fertilizercanada.ca/nutrient-stewardship/
https://nutrientstewardship.org/
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