John Kempf

Regenerative Agriculture Podcast

Science EN ↓ 221 episodes

This is a show for professional growers and agronomists who want to learn about the science and principles of regenerative agriculture systems to increase quality, yield, and profitability.

Author

John Kempf

Category

Science

Latest episode

Jul 9, 2026

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Episodes

Achieving Genetic Potential of 2-3 X Higher Grain Yield with Norman Uphoff 17.03.2020

In this episode of the Regenerative Agriculture Podcast, John interviews Dr. Norman Uphoff, who was the director of the Cornell International Institute for Food, Agriculture and Development from 1990 to 2005, and is currently Professor Emeritus of Government and International Agriculture at Cornell University. In this episode, Dr. Uphoff relates how he learned about the System of Rice Intensificat...

Relay Cropping Grain with Jason Mauck 24.02.2020

In this episode of The Regenerative Agriculture Podcast, John interviews Jason Mauck, an Indiana corn, soybean, wheat, and hog producer who thinks outside the borders of convention and who has pioneered a number of innovative practices. Jason describes the guiding force behind his experiments and innovation as the desire to gain as much control over the variables in farming as possible. Rather tha...

Redox: The Driver of Soil Microbial Interactions and Nutrient Availability with Olivier Husson 11.02.2020

In this episode of the Regenerative Agriculture Podcast, John interviews French agronomist, Olivier Husson, whose pioneering work on soil pH and redox potential provides a groundbreaking look at what goes on within the soil.  Olivier has focused a large part of his research on the study of reduction-oxidation (redox) in rice production, where the crop is grown in paddies in anaerobic conditions. T...

High Quality Wheat Production with Claudia Carter 28.01.2020

In this episode of the Regenerative Agriculture Podcast, John Kempf interviews Claudia Carter, Executive Director of the California Wheat Commission. Originally from Ecuador, Claudia leads research around the marketability of California wheat and helps to develop and maintain domestic and international markets for this commodity. Through a partnership with the University of California Davis, the C...

How Plants Absorb Living Microbes and Convert Soil Pathogens into Beneficials with James White 15.01.2020

In this episode of the Regenerative Agriculture Podcast, John Kempf interviews plant pathologist Dr. James White of Rutgers University, whose work provides a new perspective on plant pathology, susceptibility to soil-borne pathogens, and plant absorption of nutrients. Dr. White explains how endophytes, non-pathogenic fungal and bacterial organisms present in all plants, are a mechanism by which pl...

Intercropping and Regenerative Soil Management with Derek Axten 16.12.2019

In this podcast interview, host John Kempf and Canadian farmer Derek Axten discuss Derek's path to profitable farming practices. This journey started in 2007 when Derek made a trip to Dakota Lakes Research Farm where he witnessed soil health and water infiltration levels beyond which he knew were possible. In subsequent trips to Dakota Lakes and visits to Gabe Brown's ranch, Derek learned soil and...

Measuring Nutrient Density with Dan Kittredge 05.11.2019

Before we present our newest episode, we have a request for you. As we complete our second season of the Regenerative Agriculture Podcast, we have a supporting base of over 5,000 listeners who engage with our episodes shortly after we post them. We now ask for your feedback on the podcast, whether there are topics you'd like to hear more about, and what suggestions you have for improvement. We've...

Rebuilding The Soil Carbon Sponge, and Cooling the Climate Fast with Walter Jehne 15.10.2019

In this episode of The Regenerative Agriculture Podcast, John Kempf interviews Walter Jehne, an Australian soil microbiologist and the Director of Healthy Soils Australia. Walter has written and taught extensively about the earth's soil carbon sponge and hydrology as they relate to climate change. Walter provides context for the extreme weather events we are experiencing, and clearly identifies th...

Providing Affordable Food as Medicine At Scale with Pierre Weill 17.09.2019

In this episode of the Regenerative Agriculture Podcast, John interviews French agronomist, Pierre Weill, who created a feed company in 1992 in French Brittany with the intention of producing health-oriented animal nutrition. He then went on to co-found a nonprofit association called Bleu-Blanc-Cœur, which connects all the actors involved in the food chain to help producers and consumers connect t...

Encouraging Achievement on the Farm with Vernon Peterson 27.08.2019

John Kempf and Vernon Peterson take the stage for a live-recorded conversation at the inaugural Acres U.S.A. Healthy Soil Summit, held at the University of California Davis Conference Center on August 21, 2019, for this Regenerative Agriculture Podcast episode.  Vernon's experiences from 30 years of growing tree fruit and other crops on both conventional and organic acreage in California's water,...

Weather Resilience Through Cover Cropping - A Panel Discussion 17.07.2019

Record rainfall has resulted in an unprecedented number of unplanted acres in 2019. Farmers must now consider how best to manage these fields for the remainder of the season. In an otherwise fallow year, cover cropping options abound during a unique summer planting window. In this episode of the Regenerative Agriculture Podcast, John Kempf hosts a panel of American Midwestern agronomists and farme...

The Carbon Capture Business with Jerry Hatfield 11.06.2019

In this episode of the Regenerative Agriculture Podcast, John interviews Dr. Jerry Hatfield, Ph. D., a plant physiologist who runs the USDA's Agricultural Research Service (ARS) National Laboratory for Agriculture and the Environment in Ames, Iowa. Jerry has done extensive research on the interactions between soils, plants, and the environment. Jerry describes his findings from some of these tests...

A Geological Perspective On Regenerative Agriculture with David Montgomery 15.05.2019

In this episode, John interviews David Montgomery, Professor of Geomorphology at the University of Washington. John and David discuss soil regeneration at length, pulling from David's experience developing new topsoil in dead, stony ground and his deep dive into the science behind it. David came to the field of regenerative agriculture from a unique position. As a geologist studying erosion, he be...

The Regenerative Orchard: Cherry Success with Mike Omeg 16.04.2019

Mike Omeg is a 3rd generation cherry grower who has spent the last few decades farming 350 acres of cherries in The Dalles, Oregon. Mike is an innovator with the vision for new approaches and the analytical mind to measure results. He's tested myriad techniques in his quest for the best and most profitable methods of growing cherries, and was awarded the Good Fruit Grower award by the Fruit Grower...

A Conversation With Plants & Pascal Fafard 12.03.2019

Pascal Fafard is a consultant and crop advisor in Quebec, Canada, working primarily with fruit and vegetable growers. He holds a bachelor's degree in agronomy and has been supporting and mentoring fruit and vegetable growers for more than 25 years. While working in IPM, nutrition and vitality advising, and the typical agronomic considerations, he realized that taking care of growers is as importan...

Season 2 Kickoff with Don Huber 16.02.2019

Hi Friends! Welcome to Season 2 of The Regenerative Agriculture Podcast! Thank you for listening, spreading the word, and helping to make this show such a hit, while expanding our community in the fast-growing regenerative agriculture movement. It is my honor to be part of this community along with you as we launch Season 2 of this show. For this season-opening episode, we are immeasurably pleased...

LIVE at ACRES 2018 with Ed Curry 07.12.2018

John Kempf and Ed Curry take the stage in Louisville, KY at the ACRES Conference 2018 — a hotbed for regenerative agriculture practitioners for the last 30 years — to record the Regenerative Agriculture Podcast's first ever LIVE show. The Acres Conference isn't just another trade show or conference; this is a gathering of passionate and purposeful people working to share information and tools, and...

Biocontrols for the future, with Pam Marrone 30.11.2018

"It's a very exciting time to be in agriculture, and a really great time to be a farmer,  I think, and a great time to be an entrepreneur." ~Pam Marrone   Pam is the founder and CEO of Marrone Bio Innovations, a leader in bio-pesticide research and manufacturing. She is a Ph. D. entomologist, turned entrepreneur.  Pam is an inspiration to not only the next generation of microbial Ag researchers bu...

Practice of Biological Farming with Gary Zimmer 26.11.2018

This week, we present a follow-up to the interview I conducted last week, in Episode 27, with Gary Zimmer . I hope you enjoy the chance to dive deeper into some of the topics raised in the previous episode.  Gary has been a key figure in the development of regenerative agriculture in America, is a sought-after speaker, and is the author of both The Biological Farmer (now available as an updated an...

Concepts of Biological Farming with Gary Zimmer 09.11.2018

Gary Zimmer's impact on modern regenerative agriculture technique and proliferation is hard to overestimate -- with an enthusiasm and zeal that are positively infectious -- we are privileged to have him as a guest on the podcast. Zimmer is the founder of Midwestern BioAg , a company which advocates similar principals to  Advancing Eco Agriculture , while focusing on dry soil amendments. He farms w...

From Dirt To Soil with Gabe Brown 02.11.2018

Gabe Brown is a clear, collected, and inspired voice for regenerative agriculture, having implemented and seen great changes on his family's ranch in North Dakota over time. In fact, Gabe's A-Horizon (topsoil) is 27 in, and the soils on surrounding farms only have 4-6 in of topsoil! Gabe is the author of the recently published and highly-acclaimed book, Dirt To Soil , from Chelsea Green. I highly...

Traits of Exceptional Farm Managers 25.10.2018

In this episode, I explore the characteristics shared by farm managers whose operations are exceptionally successful, and consistently outperform similar farms in the region. In my experience as a field consultant and working with AEA's growers, I've observed a set of distinctive managerial patterns in the more successful growing operations. These traits bring outstanding results when farmers appl...

Fungi Matters with Peter McCoy 17.10.2018

Peter McCoy speaks for the fungi. His mission is to increase awareness, appreciation and the practical use of all manner of mushroom and mycelia. Peter is a co-founder of the grassroots advocacy group, Radical Mycology . He is also the author of a book by the same name which I've found to be the most thorough, current, and inspiring mycological reference available. For those of you new to the wond...

How Nutrition Impacts Dairy Performance with Silvia Abel-Caines 31.08.2018

Dr. Silvia Abel-Caines is a Veterinarian with a Ph. D. in Ruminant Nutrition, who is currently working as the Staff Ruminant Nutritionist for Organic Valley. She has researched neonatal immunity and colostrum supplementation in dairy calves and has also performed research on improving the fatty acid profile of milk through nutrition. Combining the knowledge from her experience with ruminants and h...

How To Prevent Nitrogen and Phosphorous Leaching 10.08.2018

In this episode, John discusses specific methods for the management of nitrogen and phosphorous for maximum benefit while reducing leaching, runoff, and pollution. Learn how to address nitrogen and phosphorus from both organic and conventional approaches. This episode contains effective, actionable information geared towards responsible and regenerative fertilizer management. This episode is sourc...

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