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PODCAST

EcoFarm Aotearoa

Ewan Campbell with co-host Stephen Brunton

From paddock to podcast, EcoFarm Aotearoa showcases Ewan Campbell, a respected name in NZ farming, known for turning good science into better practice. With co-host Stephen Brunton, Ewan unpacks his audiobook and the big issues: nitrate and water quality, soil biology, mineral balance, genetics, pasture growth, animal health, and profitability. Real stories, clear takeaways—ready for the ute, cowshed, or tractor. Notes & links: efa.nz

science nature

All Episodes

00:17:09

Chapter 28: Reality Check | An EcoFarmers Discovery...

EcoFarm Aotearoa ·

2026/04/17

An EcoFarmer’s Discovery Chapter 28: Reality CheckThank you for listening to An EcoFarmer’s Discovery: The Companion Podcast, this is the final Ewan Campbell’s journey throughout the book.In this episode, Stephen Brunton and Ewan unpack the final chapter of the book, Chapter 28: Reality Check, bringing the series to a grounded and thought-provoking close. This conversation steps back from theory and dives into the practical realities of farming, challenging listeners to rethink assumptions, question

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00:29:31

How Farmers Are Losing $21,000/ha Without Realising It

EcoFarm Aotearoa ·

2026/04/15

In this episode, Stephen and Ewan unpack the growing tension between water quality, farm profitability, and the long-standing reliance on synthetic inputs. What starts as a conversation about environmental pressure quickly reveals a deeper issue, farm systems that are quietly depleting their own soil capital over time.Through real on-farm numbers and practical examples, Ewan breaks down how decades of nitrogen use have led to a steady loss of organic carbon, reducing the soil’s natural ability to

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00:33:50

Chapter 27: Environmental Issues | An EcoFarmers...

EcoFarm Aotearoa ·

2026/04/10

An EcoFarmer’s Discovery Chapter 27: Environmental IssuesWelcome to An EcoFarmer’s Discovery: The Companion Podcast, where every Friday we dive deep into one chapter of Ewan Campbell’s journey.In this episode, Stephen Brunton and Ewan unpack Chapter 27: Environmental Issues, bringing the series to a powerful and challenging close. The conversation centres around one of the biggest topics in modern agriculture, water quality, and explores how soil health, carbon, and biology play a critical role in

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00:50:41

Chapter 26: The Last Chapter? | An EcoFarmers...

EcoFarm Aotearoa ·

2026/04/10

An EcoFarmer’s Discovery Chapter 26: The Last Chapter?Welcome to An EcoFarmer’s Discovery: The Companion Podcast, where every Friday we dive deep into one chapter of Ewan Campbell’s journey.In this episode, Stephen Brunton and Ewan unpack Chapter 26: The Last Chapter?, stepping into one of the most challenging and thought-provoking ideas in the entire series. The conversation explores the concept of unseen influences on the farm, from vibrational residues left behind by past chemical use to the role

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00:53:19

Farming and Thriving, Even in an Oil Crisis

EcoFarm Aotearoa ·

2026/04/08

In this episode, Stephen and Ewan dive into the growing fuel and fertiliser crisis and what it really means for modern farming. As costs rise and pressure builds, the conversation uncovers a deeper issue: the heavy reliance on nitrogen fertiliser as an energy product, leaving farmers exposed to global oil markets. What seems like a pricing problem quickly reveals itself as a system-wide challenge impacting profitability, soil health, and long-term resilience.Through the EFA lens, Ewan explains how

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00:43:51

Part 2: Inside EcoFarm Aotearoa: Autumn Open Day 2026

EcoFarm Aotearoa ·

2026/04/01

In this episode, Ewan continues the open day out in the paddock, diving deeper into the hidden influences shaping soil, plant, and animal health.Set against a real-world farm backdrop, this part of the conversation explores some of the more complex and often overlooked factors in farming systems. From soil toxicity and mineral imbalances to the role of electromagnetic forces, Ewan demonstrates how unseen elements can impact everything from pasture growth to animal behaviour. Through hands-on

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01:15:15

Part 1: Inside EcoFarm Aotearoa: Autumn Open Day 2026

EcoFarm Aotearoa ·

2026/03/27

In this episode, Stephen and Ewan take us directly onto the farm for a live open day, where theory meets reality and farmers get to see regenerative principles in action.Set in a hands-on, real-world environment, the conversation centres around what it actually looks like to transition from conventional thinking to a system that works with nature. As Ewan walks through the farm, he shares practical insights into soil health, pasture performance, and animal wellbeing. All grounded in observation,

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00:49:35

Chapter 25: Fits Together | An EcoFarmers Discovery...

EcoFarm Aotearoa ·

2026/03/27

An EcoFarmer’s Discovery Chapter 25: Fits TogetherWelcome to An EcoFarmer’s Discovery: The Companion Podcast, where every Friday we dive deep into one chapter of Ewan Campbell’s journey.In this episode, Stephen Brunton and Ewan unpack Chapter 25: Fits Together, exploring the powerful idea that true abundance in farming comes from understanding and working with the natural systems already in place.The conversation centres around a key principle: when the right conditions are created, nature does the

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00:09:51

What Most Farmers Get Wrong About Regenerative...

EcoFarm Aotearoa ·

2026/03/25

In this episode, we hear directly from a fourth-generation farmer who is transitioning away from conventional, chemical-based agriculture and into a regenerative system, while building a premium food brand alongside it.After years of dealing with rising input costs, fertiliser reliance, and commodity pricing pressure, he began questioning the system. What followed was a shift toward regenerative principles: covering the soil, integrating livestock, eliminating synthetic inputs, and working with

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00:29:52

Chapter 24: A Ray of Light | An EcoFarmers Discovery...

EcoFarm Aotearoa ·

2026/03/20

An EcoFarmer’s Discovery Chapter 24: A Ray of LightWelcome to An EcoFarmer’s Discovery: The Companion Podcast, where every Friday we dive deep into one chapter of Ewan Campbell’s journey.In this episode, Stephen Brunton and Ewan unpack Chapter 24: A Ray of Light, reflecting on the power of observation, the intelligence of nature, and the breakthroughs that come when farmers begin to trust what they see.The conversation centres around a core idea: nature already has the answers — if we’re willing to

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00:47:30

A Farmer Flew From Wales to Visit…What He Learned...

EcoFarm Aotearoa ·

2026/03/18

In this episode, Stephen and Ewan are joined by a visiting farmer from Wales, offering a rare and powerful comparison between farming systems on opposite sides of the world. What starts as a simple farm visit quickly becomes something much bigger, as shared challenges, rising costs, and declining soil health reveal just how universal the pressures on modern farming have become.Through open conversation, the episode highlights how different climates, systems, and markets still lead to many of the

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00:25:02

Chapter 23: Forgotten Biology | An EcoFarmers...

EcoFarm Aotearoa ·

2026/03/13

An EcoFarmer’s Discovery Chapter 23 Forgotten BiologyWelcome to An EcoFarmer’s Discovery: The Companion Podcast, where every Friday we dive into one chapter of Ewan Campbell’s journey.In this episode, Stephen and Ewan explore Chapter 23: Forgotten Biology, focusing on the overlooked role of cyanobacteria in soil health and agricultural systems.Often misunderstood as toxic “blue-green algae,” cyanobacteria are usually associated with polluted waterways and animal poisoning events. But the discussion

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01:00:40

Paradigm Busting: The Truth About Regenerative...

EcoFarm Aotearoa ·

2026/03/11

In this episode, Stephen and Ewan explore one of the most powerful forces shaping modern farming: mindset. While regenerative agriculture is often framed around practices like rotational grazing or reducing inputs, the real shift begins with something deeper, the willingness to question long-held beliefs about how farming “should” work.The conversation unpacks how healthy soils drive resilient farms, explaining why livestock, microbes, minerals, and plant diversity must function as a connected

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00:50:40

Chapter 22: Invisible Menace | An EcoFarmers...

EcoFarm Aotearoa ·

2026/03/06

An EcoFarmer’s Discovery Chapter 22 Invisible MenaceWelcome to An EcoFarmer’s Discovery: The Companion Podcast, where every Friday we dive deep into one chapter of Ewan Campbell’s journey.In this episode, Stephen and Ewan unpack Chapter 22: An Invisible Menace, exploring the concept of vibrational residues and the unseen energetic imprints left behind by agricultural chemicals and electrical infrastructure.The conversation moves beyond chemistry alone, examining how soils that are rich in silica may

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00:46:22

Paradigm Busting: The Truth About Regenerative...

EcoFarm Aotearoa ·

2026/03/04

In this episode, Stephen and Ewan move beyond “math busting” and into something even deeper: paradigm busting. What if the biggest barrier to regenerative farming isn’t nitrogen rates or phosphate targets, but the mental models farmers have inherited for generations?From no-till myths to spray-first thinking, they unpack how industry narratives shape decisions long before a paddock is ever walked. The conversation challenges assumptions around cultivation, cover crops, soil disturbance, and

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00:42:13

Chapter 21: The Dusts | An EcoFarmers Discovery...

EcoFarm Aotearoa ·

2026/02/27

The EcoFarm Aotearoa Podcast – Book Companion Series.In this episode, Stephen and Ewan explore the hidden role of tissue salts and electrical nutrition in soil, plant, animal, and human health. Challenging conventional ideas about how minerals actually function within biological systems. The conversation connects cellular processes, soil biology, and farm management through one central idea: true fertility is biologically created, not chemically applied.Rather than viewing nutrients as simply

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00:46:19

The Math Ain’t Mathing: Nitrogen, Phosphate &...

EcoFarm Aotearoa ·

2026/02/25

In this episode, Stephen and Ewan challenge some of farming’s most accepted assumptions and ask a simple question: what if the math isn’t mathing? From nitrogen targets to phosphate “maintenance” rates, they unpack how industry norms became unquestioned truths and why many of them don’t hold up under first-principles thinking.The conversation walks through real on-farm numbers, showing how excess nitrogen creates animal stress and runoff issues, and how phosphate applications often far exceed what

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00:51:19

Chapter 20: Structure | An EcoFarmers Discovery...

EcoFarm Aotearoa ·

2026/02/20

The EcoFarm Aotearoa Podcast – Book Companion Series.In Chapter 20 of The EcoFarm Aotearoa Book Companion Series, we explore the idea of structure, from the soil beneath our feet to the spine in our bodies. What begins with a conversation about jaw alignment and Western Price quickly unfolds into a much deeper discussion about how mineral balance, nutrition, and physical structure are inseparable. Whether it is calves developing broader heads after changes in soil management or the visible shift in

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00:41:14

"Now its easy, just spread the fert and F*CK IT" -...

EcoFarm Aotearoa ·

2026/02/18

In this episode, Stephen and Ewan sits down with Ross and Lance, who made a bold transition away from conventional inputs and into biological system thinking. What began with digging holes and finding no worms has evolved into a complete mindset shift, from chasing nitrogen and spraying weeds to rebuilding soil depth, animal health, and farm confidence.The conversation follows their two-and-a-half-year journey, including the tough first 12 months, the drop in pasture production, and the turning

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00:26:34

Chapter 19: Biological What!? | An EcoFarmers...

EcoFarm Aotearoa ·

2026/02/13

The EcoFarm Aotearoa Podcast – Book Companion Series.This episode covers Chapter 19 and dives into one of the most controversial and intriguing concepts in regenerative agriculture: biological transmutation. What sounds like alchemy becomes a practical exploration of how soil biology can transform elements, balance nutrients, and supply what plants and animals need without constant external inputs.From kiwifruit orchards producing potassium without applications, to chooks laying hard shells without

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