In this presentation, Rianne Wagner, a graduate student in Dr. Shawn Conley’s CoolBean lab, discusses phosphorous fertilizer enhancement products and whether they add value or just cost. Discover the underlying science of soil phosphorus availability, how key soil processes like fixation (adsorption) and mineralization function, and whether commercial fertilizer additives provide true return on investment for agricultural operations. Resources: Badger Crop Network: https://badgercropnetwork.com/ — At University of Wisconsin–Madison Division of Extension, we are working to integrate accessibility into our web, video, and audio content. If you experience accessibility barriers using our web, audio, or video content or would like to request complete captions, alternative languages, or other alternative formats, please contact us at accessibility@extension.wisc.edu. You will receive a response within 3 business days. There’s no added cost to you for these services. The University of Wisconsin-Madison Division of Extension provides equal opportunities in employment and programming in compliance with state and federal law.
Phosphorus Fertilizer Enhancement Products Research with Rianne Wagner
By Joanna Guza
Sep 17, 2026 | 4:09 AM

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