
Brandon Rust
Founder and CEO of FulCrop Sciences, an Oklahoma-based maker of humic/fulvic fertilizers and soil probiotics, known for pioneering biological crop steering in regenerative agriculture.
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May 29, 2026
Unlocking Soil Secrets (& Science) with Brandon Rust
63:53
64:13
64:36

Brandon RustGUEST
You know, after years of looking at the different types of data on biological microbial consortiums, I found out that they work not to just suppress pathogens, but they cycle nutrients, they directly affect root architecture through hormonal signaling.

Brandon RustGUEST
And so what I found out by doing some experiments with doing data testing, sap analysis, and leaf tissue analysis was I started using certain consortiums of microorganisms to see if I had higher solubility of certain nutrients in my soil, and then also see if those nutrients were making a different on my leaf tissue analysis and sap analysis.

Brandon RustGUEST
And so what I saw was the first experiment I did with this was the Trichoderma and Bacillus subtilis combination, and my idea was originally just to look at iron, because the science shows that they produce those hydroxamate siderophores, which are a high affinity for iron, and they also produce redox shuttles, which basically takes oxidized iron and converts it back into its ferric form, into its divalent form, and then they chelate it.