Biologicals vs. Biostimulants: Illinois Study Clarifies Crop Input Confusion

Every time Fred Below and Connor Sible meet with Illinois farmers, they get the same question. “What’s the story with these biologicals? Do they work?” 

The University of Illinois Urbana-Champaign crop scientists and Illinois Extension specialists are happy to share what they know about the natural growth stimulants, informed by dozens of trials and published research.

But with new products constantly being added to the market — and a muddled regulatory landscape — it’s not always clear what farmers are even asking.