The annual 4R Summit, sponsored by The Fertilizer Institute, will be held in Des Moines, Iowa on June 11-12 to share effective nutrient stewardship tenets and practices. Attendees will hear from speakers about advances and tools for in-field implementation of the 4R principles, linkages between 4R and on-farm conservation, agribusiness involvement, government- and non-governmental organization-supported initiatives, and details on projects funded through the 4R Research Fund. The agenda will feature concurrent breakout sessions, offering participants a choice of speakers and topics.