Researchers Categorize Crop Biostimulants

Researchers at the University of Illinois categorized available crop biostimulant products into eight classes based on their modes of action. They published the results in the journal Agronomy. Half of the products classified are live microorganisms, including nitrogen-fixing bacteria, mycorrhizal fungi, phosphorus-solubilizing microbes, or other beneficial microbes. The other half are chemistries or chemical byproducts including seaweed extracts, humic and fulvic acids, concentrated enzymes, and biochar. The researchers say that producers will want to match the biostimulant that they use with their specific goals. Otherwise, biostimulants may not deliver the desired result.