March 31, 2020
John Kempf and Dr. Jill Clapperton delve into the science of the rhizosphere. Learn about the impacts of sugar on the microbial system, which crops have rhizobia that work well together, and why rapid root growth is key to inhibiting disease.
March 17, 2020
John interviews Dr. Norman Uphoff who trialed a new method of growing rice that spread globally within decades, achieving wide adoption of regenerative practices in an era when such practices were much less popular than today.
February 24, 2020
John interviews Jason Mauck, an Indiana corn, soybean, wheat, and hog producer, who thinks outside the borders of convention and has pioneered a number of innovative practices, measuring for resilience and control on inputs and yields.
February 11, 2020
John interviews French agronomist, Olivier Husson, who describes soil Eh, a measure of electrons in the soil that is key to gauging nutrient and water absorption as well as disease manifestation.
January 28, 2020
John Kempf interviews Claudia Carter, Executive Director of the California Wheat Commission, who describes how breeders are working to develop wheat varieties with increased quality and nutritional value.
January 15, 2020
John Kempf interviews Dr. James White of Rutgers University who explains how plants “farm” microbes, convert fungi from pathogenic to beneficials, and send endophytic ambassadors to forage for plant nutrition.
December 16, 2019
John Kempf interviews Derek Axten about intercropping, management to increase soil infiltration, controlled traffic farming, and decreasing applied nitrogen and synthetic inputs.
November 5, 2019
John interviews Dan Kittredge, Executive Director of the Bionutrient Food Association. Learn about growing nutrient-dense crops in this provocative conversation between two pioneers who are truly passionate about growing food as medicine.
October 15, 2019
John interviews Walter Jehne, an Australian soil microbiologist who teaches about the earth’s soil carbon sponge and hydrology. Walter describes how we can manage water to effectively cool the planet and regulate climate change.
September 17, 2019
John interviews Pierre Weill, a French agronomist who presents a compelling case for applying regenerative practices in food production for better human health.
August 27, 2019
In this interview recorded live at the Acres U.S.A. Healthy Soil Summit, John Kempf and Vernon Peterson discuss Vernon's knowledge of organic fruit production and marketing, and a call to farmers to tell their story through knowing the nutrient value of their food.
July 17, 2019
John Kempf hosts a discussion about sowing cover crops on fallow fields where the weather has disrupted crop planting. Participants cover how this can stem weed pressure, safeguard against erosion, and improve soil health for subsequent crops and years.
June 11, 2019
John Kempf interviews Dr. Jerry Hatfield, Ph.D., plant physiologist and USDA researcher. They discuss plant research at the molecular genetic level, showing how regenerative agriculture provides environmental resilience as well as other soil and plant interactions.
May 15, 2019
In this episode, John interviews David Montgomery, Professor of Geomorphology at the University of Washington. John and David discuss soil regeneration, David’s observations in developing new topsoil, his deep dive into the science behind it, and the 3 principles of soil restoration.
April 16, 2019
John and Mike Omeg, an innovative cherry grower who was awarded the Good Fruit Grower award in 2017, talk about bio-intensive systems in cherry production. Mike describes how to scale regenerative practices and the economic benefits of these methods.
March 12, 2019
This episode introduces esoteric concepts of a farmer's relationship to life, and passion for the work of farming that Fafard presents eloquently and practically.
February 16, 2019
Hi Friends - Welcome to Season 2! Thank you for listening, spreading the word, and helping to make this show such a hit! It is my honor to be part of this community along with you! For this opening episode, we are pleased to bring Dr. Don Huber back again! Dr. Don Huber is a leading plant pathologist, Professor Emeritus at Purdue University, and prolific author, contributor, or editor of more than 300 published academic writings and 3 books. For full show notes:
December 7, 2018
This show was recorded in front of a live audiences at ACRES Conference 2018. John hosts Ed Curry and takes questions at the end. Ed is an old-school breeder and grower with a new-school mentality. More than 90% of the green chile’s grown are from Ed’s seeds -- and he is now the only breeder of his kind in the world. Even if you don’t grow chilies — you can certainly learn something from this discussion.
November 30, 2018
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 but to women in science and business. In addition, her work has helped farmers who are looking for more benign ways to address pest challenges. Listen to a fascinating discussion on pesticides, microbial research, insecticidal and fungicidal microbes, and much more.
November 26, 2018
This week, we present a follow-up to the interview I conducted last week, in Episode 27, with Gary Zimmer. 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. I hope you enjoy the chance to dive deeper into some of the topics raised in the previous episode, such as trace minerals, nitrogen management, and carbon.
November 9, 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. He farms with his family in Sauk County, Wisconsin and is the author of two seminal books on biological agriculture, which I highly recommend: The Biological Farmer, and Advancing Biological Farming.
November 2, 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 recommend reading this truly inspiring and informative book. I am pleased to welcome Gabe back to the show.
October 25, 2018
During John's many years as a field consultant, and his further work with growers at AEA, he has built a portfolio of the characteristics that bring outstanding results when farmers apply them to their management techniques. In this episode, John explores the characteristics shared by farm managers whose operations are exceptionally successful, and consistently outperform similar farms in the region.
October 17, 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. Peter recently started the world’s first mycology school (Mycologos), dedicated to the practical arts and science of working with fungi.
August 31, 2018
Dr. Silvia Abel-Caines is a Veterinarian with a PhD in Ruminant Nutrition. Her research on dairy nutrition led to her work optimizing dairy performance with best practices. We discuss the roles of minerals in plant health, the science of immunity, and more.
August 10, 2018
Listen to an in-depth explanation of phosphorus and nitrogen interactions in the soil and how to prevent nutrient leaching from John Kempf.
July 31, 2018
In this mini-episode, learn how to re-invigorate trees, bushes, and plants when they have little growth and low energy levels, and don’t show a response to nutritional or biostimulant applications.
July 27, 2018
Sarah Singla is a farmer, agronomist, and educator from Southern France who has spoken to growers the world over. We expand on Sarah’s compelling vision for the regenerative future in agriculture with multiple examples and options to fit any farm.
July 20, 2018
Dr. Lundgren is an agroecologist, top scientist, and director of the ECDYSIS Foundation. Jonathan and I discuss proactive pest management, ecological implications of pesticides, and beekeeping.
July 16, 2018
I talk about how a soil test can be a detriment when not used properly, what to look for in a soil test, what the numbers aren’t telling you, and why you can decrease your annual fertilizer inputs and get a better crop response.
July 13, 2018
Greg Pennyroyal is the Professor of Viticulture for Mt. San Jacinto Community College. We discuss the role of the microbiome in impacting fruit quality and the debate on stressing vines for increases in flavor and yield, plus many more fascinating topics.
July 10, 2018
In this episode, I talk about which nutrients drive strong vegetative growth, and which drive strong reproductive growth and development, along with the hormonal interactions which drive plant dominance.
June 29, 2018
Dr. Jerry Pollack is an award-winning water researcher whose work creates a completely new paradigm of cell biology and nutrient absorption. In this episode, we discuss the role of water in nutrient absorption across cell membranes and plant roots.
June 26, 2018
In the past, conversations have been had on sustainable agriculture. In this episode, I explore what we want to sustain, why regeneration is important, and how regenerative farming systems impact the bottom line in a way that sustainability cannot.
June 23, 2018
Steve Diver has worked in agriculture with government bodies and private companies since 1984. In this episode, we discuss rock powders, biology, and bioenergetics, the oxidation/reduction potential in soils, and the value of bioenergetics in agriculture.
June 20, 2018
Professor Lynn Long has worked in cherry research at Oregon State University since 1988. In this episode, we discuss soil health, varietal performance, how modern dwarf rootstocks compare to older varieties, and successfully reducing bacterial canker.
June 15, 2018
Dr. Kris Nichols has researched soil biology, understanding how to regenerate soil health quickly. In this episode, we discuss harnessing fungi to decrease the use of synthetic fertilizers and the symbiosis between bacteria and water retention.
May 30, 2018
Dr. Hatfield is the director for the USDA’s National Laboratory for Agriculture. He has served on the faculty at UC Davis and is a Past President of the American Society of Agronomy. In this short episode, we discuss improving plant efficiency, the fundamental functions of soil aggregate structure, and more.
May 18, 2018
In this episode, I interview Dr. Larry Phelan, a professor at Ohio State University where he researches the role of soil microbes in plant health and susceptibility to disease and insect pests in biological farming systems. We discuss plant and insect communications, soil communities, the concept of biological buffering and other fascinating topics.
May 12, 2018
In this episode, I interview Klaas Martens, who has driven the adoption of sustainable farming practices through his work with numerous national organizations. We cover cultural management, weed control, crop rotations, and many more in-depth topics.
May 5, 2018
In this episode, I interview Steve Groff, a farmer and cover crop pioneer who founded Cover Crop Coaching in 2016, and has spoken to audiences across the world on the use of cover crops across the full range of agricultural applications.
April 28, 2018
In this episode, I interview Dr. Don Huber, a leading plant pathologist and Professor Emeritus at Purdue University. We discuss how to manage soil-borne diseases with crop rotations, the management needed to grow 500 hundred bushels corn, and much more.
April 21, 2018
In this episode, I interview Dr. Matt Kleinhenz, a professor at the Ohio State University in vegetable crop physiology, researcher of horticulture and crop science. We cover important topics, including how growers can stay up-to-date on breakthroughs.
April 17, 2018
We discuss Dr. Dykstra’s fascinating work in bioelectromagnetics, entomology, and agriculture. Dr. Dykstra is the founder and laboratory director at Dykstra Labs, holds advanced degrees in entomology and has worked with Dr. Phil Callahan.
April 14, 2018
In this episode, I interviewed Dr. Michael McNeill, an agronomic consultant with degrees in soil fertility, plant physiology, and quantitative genetics. We discussed how farming has changed since the green revolution, disease resistance, and more.
April 14, 2018
In this episode, I interviewed Gabe Brown, a veteran no-till rancher. We discussed Gabe’s experience farming with no fertilizer applications, and the tremendous opportunity of growing non-commodity crops.
April 13, 2018
In this episode, Dr. Robert Kremer, a microbiology scientist for the USDA who also works as a professor in plant sciences at the University of Missouri, we discuss building carbon, choosing soil inoculants, and more fascinating insights into soil biology.
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