PODCAST · education
Biological Farming Roundtable
by Biological Farming Roundtable
The Biological Farming Roundtable Podcast is for farmers and food consumers. Join host Nakala Maddock as she interviews regenerative farmers that are turning the tides in agriculture by reducing chemical inputs, rebuilding nature’s natural solar, mineral and water cycles and returning nutrient integrity back into the food chain.
Episodes
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Episode 52 A Partnership Built on Biology
Host Nakala Maddock sits down in Brocklesby with fine wool Merino producers Ron and Liz Koschitzke, a couple whose shared passion for soil health has completely reshaped their farm. In this episode, Ron and Liz unpack the practical steps that regenerated their soils, and the results speak for...
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Episode 51 Building a better system with Luke Harrington
This episode goes straight to the heart of what regenerative agriculture really means. Nakala sits down with Luke Harrington, founder of Re Gen Farming and a practitioner with more than 20 years in the regenerative space to explore why true regeneration isn’t just about soil. It’s about people....
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Episode 50: One Plus One Equals Three
In episode 50 of the Biological Farming RoundTable, host Nakala Maddock sits down with ECTOL founder and ag scientist John McKay. John walks us through the discovery of osmo protectants in marine algae, the first commercial frost protection applications in Australia, and how foliar nutrition...
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Episode 49: Managing Regenerative Transition: Part Two – Gaining Control
In Episode 49 of the Biological Farming RoundTable host Nakala Maddock is rejoined by David Hardwick from Soil Land Food and Luke Harrington from Re-Gen Farming. This episode is part two of the Managing Regenerative Transition series, where the team unpack the types and stages of transition or...
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Episode 48: Managing Regenerative Transition: Part One – New Beginnings
Biological Farming RoundTable host Nakala Maddock is joined by David Hardwick from Soil Land Food and Luke Harrington from Re‑Gen Farming in Episode 48. In part one of this two‑part series, they explore the motivations and challenges behind transitioning to regenerative farming. They also reveal...
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Episode 47: AI for Farmers, what you need to know
In the first episode of the Biological Farming RoundTable for 2026, Nakala sits down with NutriSoil’s tech‑savvy Nige for a candid, sometimes confronting, and ultimately empowering conversation about the rise of AI in agriculture. What begins as a simple chat about who owns AI quickly opens into…
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Episode 46: Rebuilding Soil From the Ground Up
In Episode 46 of the Biological Farming RoundTable Podcast, Nakala and Shelley travel to Pingrup, in the southeast of the WA wheatbelt. They are joined by David Steele and his wife, Deb, who are multigenerational farmers running a cropping and sheep enterprise. David and Deb recall when the soil...
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Episode 45: The Microbe Solution, Part Two – The Hidden Heroes
In Episode 45 of the Biological Farming RoundTable Podcast, Nakala continues her conversation with Gundi Rhoades in part two of The Microbe Solution. This episode dives deeper into Gundi’s exploration of the powerful connection between soil microbes and human health. We examine how synthetic...
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Episode 44: The Microbe Solution, Part One – Joining the Dots
In this eye-opening episode of the Biological Farming RoundTable podcast, host Nakala Maddock sits down with regenerative vet Dr Gundi Rhoades to explore the profound ripple effects of historical decisions and technological advancements on soil biology and by extension, human and animal health....
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Episode 43: If I knew then what I know now
In this special episode of the Biological Farming RoundTable, we’re turning the tables. Host Nakala Maddock swaps seats to become the guest, with NutriSoil’s communication coordinator, Shelley Scoullar, stepping in behind the mic. What unfolds is a candid and spirited conversation between two...
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Episode 42: Achieving disease and pest resilience – Part Two: vigorous biology
In this compelling continuation, Nakala and John Kempf delve into the concept of Active Immunity in plants—a state made possible by biologically active soils rich in diverse microorganisms. Discover how microbial compounds, such as lipids and phytochemicals play a pivotal role in fostering…
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Episode 41: Achieving disease and insect resilience – Part One: balancing chemistry
In this episode, Nakala is joined by John Kempf, a pioneering voice in regenerative agriculture and a trusted mentor to farmers worldwide. Together, they delve into the transformative concept of the Plant Health Pyramid, an innovative framework developed through extensive research by John and the...
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Episode 40: Nutrient-Dense Food with Dan Kittredge
In this episode, we sit down with Dan Kittredge, farmer, founder of the Bionutrient Association, and educator behind the world’s first Certificate-Level Masterclass in Nutrient-Dense Food. Dan is at the forefront of groundbreaking research, measuring and defining food quality—and linking it...
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Episode 39: Simple secrets to self-regulating soils
Nakala visits Don Jarvis, a dedicated dairy farmer from Towong near Corryong in the picturesque Snowy Valley. Don reveals his simple methods for transforming acidic, compacted soils into balanced, self-regulating ecosystems through the power of biology. Alongside his wife Denise and son Jamie…
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Episode 38 – A Special Episode giving you a sneak peak into WORM FEST 2024 with Joel Williams and David Hardwick.
In this episode we give you an inside view of what WORM FEST 2024 is about. How it came to be, why and what to expect! Joel Williams talks about his love of amino acids and biostimulants with nutrient delivery and how at WORM FEST 2024 he is going to be diving into the science of what powerful...
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Episode 37 The Melody of Earth: Unveiling NutriSoil’s Worm Whisperer Darren Maddock and his Harmonic Approach to Worm Farming
In this episode of our podcast, Nakala and David offer a rare glimpse behind the scenes at NutriSoil headquarters. We’re introducing you to a key figure in our team, the ‘Worm Whisperer’ himself, Darren Maddock. While Darren might be a bit of a hidden gem in our operations, his contributions are...
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Episode 36 Reviving the Range: Callum Lawson’s Journey from Overgrazing to Oasis
In this inspiring episode, we delve into the story of Callum Lawson, a visionary who transformed a struggling 3000-acre grazing property in North Central Victoria into a flourishing ecosystem. Facing the challenge of an overstocked land, Callum embarked on a mission to revive the farm. This…
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Episode 35: Building resilience through community.
In Episode 35 host Nakala Maddock interviews three amazing guests about the importance of building networks and community ties for farmers and their families. During this podcast our special guests discuss tools for developing resilience to weather the next tough time when it comes along, and…
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Episode 34: The power of biostimulants and learning from observation
This month's podcast takes the Biological Farming Roundtable podcast to Ingham QLD, for the Regenerative Cane Farmers Forum. Host Nakala Maddock is joined by agroecologist David Hardwick from Soil Land Food, they speak with cane farmer Ray Zamora from Tully about addressing soil compaction and...
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Episode 33: Necessity is the Mother of Invention, driving change in cane farming
This month's podcast takes the Biological Farming Roundtable podcast to Ingham QLD, for the Regenerative Cane Farmers Forum. Host Nakala Maddock is joined by agroecologist David Hardwick from Soil Land Food, they speak with cane farmer Ray Zamora from Tully about addressing soil compaction and...
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Episode 32: Enhancing nature for profitable grazing and nutrient density in corporate ag.
In episode 32 of the Biological Farming Roundtable host Nakala Maddock is joined by Robin Tait an independent consultant in Tasmania, as they chat with Aiden and Sarah Coombes. Aiden manages Westmore a 3400 ha grazing property owned by Greenhams and is involved in implementing the Never Ever Beef...
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Episode 31: Creating non-negotiable synthetic free grazing systems with Dale Retschlag
In episode 31 of the Biological Farming Roundtable Podcast, host Nakala Maddock is joined by Jane Slattery co-founder of natural intelligence farming. Nakala and Jane speak with cattle grazier Dale Retschlag from Biloela in Queensland. Dale is the president of Central Queensland Landscape…
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Episode 30: Creating Innovative Food Systems with Jacob Wolki.
Jacob Wolki is an entrepreneur from Albury Wodonga. Treating animals with respect, family and medicinal food drive his quest to build a community where farmers and consumers are connected by shared values. He raises animals, processes them, sells online, has a self-serve butchery, and runs farm...
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Episode 29 – The Small voice of Big Change with Robin Tait
Robin Tait is an agronomist from Tasmania, after ten years in traditional cropping agronomy Robin studied a Nuffield Scholarship which took her all over the world looking at different farming systems. Robin now works as an independent consultant specialising in working with multispecies cover…
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Episode 28 – From 1927 to next generation cropping in WA with Rob Hetherington
In Episode 28 of the Biological Farming Roundtable podcast Nakala and David Hardwick speak with Western Australian farmer Rob Hetherington from Lake King. Rob’s grandparents first moved to the region in 1927 battling scrub and deep sodic soils and managed to carve a future for the family of…
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Episode 27 – Marvelous multispecies with Grant Sims and Simon Mattsson
Nakala speaks to agroecologist David Hardwick Soil Land Food and Luke Harrington from Re-Gen Farming about the skyrocketing Phosphorous prices and how to unlock the phosphorous reserves in your soil to protect your profit margin.
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Episode 26 – Optimising soil health can protect your business from increasing phosphorous prices
Nakala speaks to agroecologist David Hardwick Soil Land Food and Luke Harrington from Re-Gen Farming about the skyrocketing Phosphorous prices and how to unlock the phosphorous reserves in your soil to protect your profit margin.
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Episode 25 – How to build a dung beetle corridor and compost extractor
In episode 25 of the Biological Farming Roundtable Nakala explores the natural intelligence of the dung beetle, and how to establish a dung beetle corridor. She also speaks to regenerative farmer Rodney Bacon about how he used good old ingenuity to build his own compost extractor.
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Episode 24 – A journey to biodiversity and risk management
Nakala and Shelley speak to northern Victorian dairy farmer Jodie Hay about the driving forces behind her family’s decision to rethink their farming system.
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Episode 23 – Unlocking Your Infinite Possibilities
In episode 23 Nakala speaks to Jane, whose unique skills are helping regenerative farmers expand their mindsets so they can unlock barriers to reach their potential and the world of infinite possibilities.
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Episode 22 – Increasing profitability in cane production with less inputs, Alan and Jenny Lynn
Cane farmers Alan and Jenny Lyn from Ingham in northern Queensland speak openly to Nakala Maddock from NutriSoil about the positive impacts traffic control and multispecies cover crops are having on their production system. Alan and Lyn discuss the stabilisation of their soil structure, abundance...
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Episode 21 – Dairy Farming Synthetic Free (Not Organic) with Andrew and Linda Whiting
Today’s episode is with dairy farmers Andrew and Linda whiting who farm 600acres, in Simpson Victoria with 800mm annual rainfall. With me is Shelley Scouller, Nutrisoil’s new Communications extraordinaire. Andrew and Linda Whiting were share farming when they decided to become self-start dairy...
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Episode 20 – Coming back from the drought with Paul and Wendy Wemyss and Phill Lee
Today’s episode is with our long term friends Paul and Wendy Weymes, who operate a broadacre grazing property from Tarcutta, NSW. 2017 to 2020 was a tough a tough drought, the toughest they had experienced on their farm. This episode talks about what they experienced coming out of that drought…
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Episode 19 – John Kempf – Author | Quality Agriculture
Today’s episode is a book review with John Kempf, who has recently released a NEW book, Quality Agriculture. This episode is FULL of new science in soil, animal, food and human health. John is founder of Advancing Eco Agriculture, a plant nutrition and bio-stimulants consulting company in the US....
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Episode 18 – Bio-stimulants, Compost Extract, Grazing and Pasture Cropping with David and Ruth Read
Today’s conversation is with David and Ruth Read from Wootcote Farms, a 823 Ha regenerative grazing property in Perry Bridge Victoria. We discuss the natural processes they use to build health and productivity on their farm and in their life. We talk through how to make a compost extract system…
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Episode 17 – Regenerative Cropping & Genetic Sheep Breeding with Anthony Thomas, Co-hosted with Dr Charles Massy
Today’s conversation is with Anthony Thomas and with me co-hosting is Dr Charles Massy. We recorded this podcast in March when we were there for the Three Springs Biological Farming Roundtable. Anthony and Geraldine Thomas farm approx. 8000Ha in the North Midlands of W.A at Three Springs. Anthony...
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Episode 16 – Regenerative Cane Farming
Today’s episode is with Cane Farmer, Michael Waring from Ingham, QLD. This podcast was recorded at the 2019 Regenerative Cane Farming Forum in March this year which is being repeated this year in March 2020 in Cairns. David Hardwick and Michael Waring are the contact for this event and details to...
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Episode 15 – Building a local food market
Today’s episode is with father and son, Bob and Ian Congdon from Organic Woodstock Farm and Flour in Berrigan, NSW. Ian and his wife Courtney met at the University of Melbourne while they were studying landscape management and geography. They both had a passion for agriculture and local food...
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Episode 14 – The importance of a value driven farming system
The importance of a value driven farming system. In this episode Rod Fraser talks about values, states and perceptions and the importance of these in making great farming and life decisions. www.businessgrowthstrategies.biz Rod Fraser and Ellyn Martin are the directors of Business Growth...
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Episode 13 – Sustainable Abundance with Joel Salatin
Today’s conversation is with Joel Salatin, a farmer, author, wordsmith, master communicator and world renown spokesperson for regenerative agriculture. Co-hosting with me is Charlie Arnot, Biodynamic, holistic, cattle, sheep and pig producer. This is the conversation we had the evening prior to…
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Episode 12 – Multispecies, inter row cropping & introducing cattle into regenerative cane farming
Today’s podcast is co-hosted with Agroecologist David Hardwick at the first ever cane regenerative farming forum held in Ingham, Queensland. A key presenter and leader at the event was Simon Mattsson, who operates a 190 hectare property at Marion, 30 kilometers west of Mackay, producing…
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Episode 11 – Increasing Carbon With Regenerative Agriculture
Today’s conversation is with mixed farmer, Col Harper, from Ariah Park NSW. Col changed to regenerative agriculture 10 years ago. He uses a combination of exhaust fertiliser, worm liquid and animals in his system. Since changing to regenerative agriculture, Col has doubled his organic matter, and...
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Episode 10 – Agroecology – A New Mindset in Agriculture | David Hardwick
David Hardwick is an agroecologist and has over 20 years’ experience in farming and food systems. David develops and delivers extension projects helping farmers gain tools, and information to transition to low chemical, ecological and profitable farming systems. Today’s conversation pivots around...
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Episode 9 – From Chemical Farm Accident to Australia’s Largest Worm Farm
This is the NutriSoil story with Graham Maddock and his daughter Rachelle Armstrong. From a traditional dairy farmer, Graham became a shell of himself after being doused in insecticide in a farming accident. After twelve months of illness following the accident, Graham made the decision to remove...
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Episode 8 – Girl in the Arena with Brooke French
Brooke French and her daughter Katie who is 13 years old, operate a 932 acre sheep and cattle property in Brungle Creek, NSW. From a passionate herbicide user who took pleasure in seeing her weeds die, Brooke’s mindset about weeds and synthetic fertilisers has been turned on its head. A change of...
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Episode 7 – Building a Holistic Regenerative Farming System with Nick and Lucy Kelly
Nick and Lucy Kelly farm a 2000Ha cereal and livestock farm in Newdegate, WA. Using plants and animals as the tools, Nick has transitioned the farm from conventional to a holistic regenerative system. Multispecies summer covers are sown, with French White Millet as the main species, and plant...
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Episode 6 – Low input, closed, profitable system
Jeff, his wife Jenny and son Jarrod Andrews operate a 1000 Ha sheep property in Blighty, NSW. Using NutriSoil, a worm based fertiliser, for 15 years and low levels of Nitrogen (N), they turn off 6500 lambs per year. The Andrews are breaking the boundaries with using low nitrogen inputs in their...
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Episode 5 – Calm the Farm
Suzanne Lewis is an ethical sheep producer that is passionate about low-stress sheep management and explains, that a healthy sheep is a happy sheep. Suzanne explains the benefits such as increased sheep weight, fertility, and meat quality, as well as decreased worm burdens, that result from...
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Episode 4 – A Five Year Transition with Tom Briggs
In this episode, Nakala interviews Tom Briggs who, along with his dad Colin, operates a mixed cropping property near Rutherglen, Victoria. The father and son team have strong regenerative farming values and while being moderate synthetic input users, are now two years into a longer-term plan to...
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Episode 3 – Natural Intelligence Agriculture with Di Haggerty
Di Haggerty operates a 12000-hectare sheep and cereal property in Western Australia’s central Wheatbelt using animals, worm liquid, compost extract and low levels of nitrogen. Di farms with her husband Ian and son James. The recent Charles Massy book “Call of the Reed Warbler” writes that the...
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ABOUT THIS SHOW
The Biological Farming Roundtable Podcast is for farmers and food consumers. Join host Nakala Maddock as she interviews regenerative farmers that are turning the tides in agriculture by reducing chemical inputs, rebuilding nature’s natural solar, mineral and water cycles and returning nutrient integrity back into the food chain.
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Biological Farming Roundtable
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Frequently Asked Questions
How many episodes does Biological Farming Roundtable have?
Biological Farming Roundtable currently has 52 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.
What is Biological Farming Roundtable about?
The Biological Farming Roundtable Podcast is for farmers and food consumers. Join host Nakala Maddock as she interviews regenerative farmers that are turning the tides in agriculture by reducing chemical inputs, rebuilding nature’s natural solar, mineral and water cycles and returning nutrient...
How often does Biological Farming Roundtable release new episodes?
Biological Farming Roundtable has 52 episodes. Check the episode list to see recent publication dates and frequency.
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You can listen to Biological Farming Roundtable on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.
Who hosts Biological Farming Roundtable?
Biological Farming Roundtable is created and hosted by Biological Farming Roundtable.
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