Podcast Extra: John Kempf on Soil Biophysics, Plant Immunity & Foliars on the Permaculture Orchard Podcast
About this episode
John Kempf discusses soil biophysics, plant immunity, and high-ROI grower tips on the Permaculture Orchard Podcast.
In this Podcast Extra episode, John Kempf joins Stefan Sobkowiak and his son, Zach, on the Permaculture Orchard Podcast . During the course of the episode, they discuss John's background growing up on an Ohio Amish farm ; plant biophysics, including seeds as living microbial inoculants and quantum mechanics in photosynthesis ; high-ROI grower tips like adding sugar to foliar sprays to cut nutrient inputs in half , planting eight plant families to trigger quorum sensing , and avoiding excess nitrogen and potassium to prevent pest outbreaks and extend storage life ; and Advancing Eco Agriculture (AEA), the company John founded to offer living, non-suppressive fertility inputs alongside AI agronomy tools like FieldLark . Host Stefan Sobkowiak uses The Permaculture Orchard Podcast to give growers access to cutting-edge insights on ecological agriculture . Through the podcast, resources like the Permaculture Orchard Blueprint ebook , and his work transforming traditional monocultures into diverse permaculture ecosystems , Stefan demonstrates how hands-on testing, non-chemical weed management, and multi-family ground covers build long-term soil health, fruit quality, and farm…
More episodes of Regenerative Agriculture Podcast
- Podcast Extra: Building High-Efficiency Fertility Systems for Row Crops
- Episode 187: Clearing Nitrogen "Constipation" in High-Yield Corn with Brody Benton
- Episode 186: The Power of Precision Management and Multi-Species Covers with Mike Thompson
- Podcast Extra: Ask Me Anything with John Kempf - July 10, 2026
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