Ewan Campbell with co-host Stephen Brunton

EcoFarm Aotearoa

Science EN ↓ 75 episodes

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

Be sure to visit the podcast's website and support the creator: efa.nz

Author

Ewan Campbell with co-host Stephen Brunton

Category

Science

Podcast website

efa.nz

Latest episode

Oct 14, 2026

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Episodes

Part 1: Inside EcoFarm Aotearoa: Autumn Open Day 2026 27.03.2026

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 practic...

Chapter 25: Fits Together | An EcoFarmers Discovery Audiobook Companion Podcast 27.03.2026

An EcoFarmer’s Discovery Chapter 25: Fits Together 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 25: Fits Together , exploring the powerful idea that true abundance in farming comes from understanding and working with the natural systems already in pl...

What Most Farmers Get Wrong About Regenerative Agriculture 25.03.2026

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...

Chapter 24: A Ray of Light | An EcoFarmers Discovery Audiobook Companion Podcast 20.03.2026

An EcoFarmer’s Discovery Chapter 24: A Ray of Light 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 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...

A Farmer Flew From Wales to Visit…What He Learned Could Transform His Farm 18.03.2026

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 conver...

Chapter 23: Forgotten Biology | An EcoFarmers Discovery Audiobook Companion Podcast 13.03.2026

An EcoFarmer’s Discovery Chapter 23 Forgotten Biology Welcome 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,”...

Paradigm Busting: The Truth About Regenerative Farming, Part 2 11.03.2026

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 fa...

Chapter 22: Invisible Menace | An EcoFarmers Discovery Audiobook Companion Podcast 06.03.2026

An EcoFarmer’s Discovery Chapter 22 Invisible Menace 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 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 in...

Paradigm Busting: The Truth About Regenerative Farming, Part 1 04.03.2026

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...

Chapter 21: The Dusts | An EcoFarmers Discovery Audiobook Companion Podcast 27.02.2026

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...

The Math Ain’t Mathing: Nitrogen, Phosphate & Farming’s Biggest Blind Spots 25.02.2026

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...

Chapter 20: Structure | An EcoFarmers Discovery Audiobook Companion Podcast 20.02.2026

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...

"Now its easy, just spread the fert and F*CK IT" - huge farming lifestyle improvements! 18.02.2026

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-hal...

Chapter 19: Biological What!? | An EcoFarmers Discovery Audiobook Companion Podcast 13.02.2026

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 input...

The Missing Step in Regenerative Farming 11.02.2026

In this episode, Stephen and Ewan unpack what happens after soil health starts improving and why many farms hit a wall precisely when things should be working better. As regenerative systems begin to function, old habits, missing steps, and unseen limiting factors can quietly undo progress if the full process isn’t followed. The conversation walks through EcoFarm Aotearoa’s start-to-finish methodo...

Chapter 18: Fungi The Fun Guys | An EcoFarmers Discovery Audiobook Companion Podcast 06.02.2026

The EcoFarm Aotearoa Podcast – Book Companion Series. This episode covers Chapter 18 and dives into one of the most misunderstood and powerful forces in farming: fungi. What begins with a moment of curiosity (and a fair bit of trial, error, and “stupidity”) quickly turns into a profound rethinking of how soil, plants, animals, and humans are all connected through biological digestion and nutrient...

Title: The EFA Comments Section Exploded - Ewan Answers everything 04.02.2026

Title: The EFA Comments Section Exploded - Ewan Answers everything The EcoFarm Aotearoa Podcast In this Q&A episode, Stephen and Ewan respond to listener questions covering soil minerals, silicon availability, nitrogen use, and electrical processes in farming systems. Grounded in observation and on-farm results, the conversation challenges conventional thinking and focuses on what consistently...

Chapter 17: What On Earth | An EcoFarmers Discovery Audiobook Companion Podcast 30.01.2026

The EcoFarm Aotearoa Podcast - Book Companion Series. This episode covers Chapter 17 and revisits the moment the story burst out of the courtroom and into the public eye — when 60 Minutes turned up, asked the questions the system wouldn’t, and changed the game. Ewan and Steve unpack what it was like meeting Melanie Reid and her producer with healthy skepticism (the good kind), then watching the in...

Chapter 16: The Problem of Success | An EcoFarmers Discovery Audiobook Companion Podcast 23.01.2026

An EcoFarmer’s Discovery Chapter 16: The Problem of Success The EcoFarm Aotearoa Podcast This episode covers Chapter 16 and unpacks what happens when innovation works too well. Ewan reflects on the rise of Probitas, the backlash that followed its success, and the systems that move to shut down ideas that threaten entrenched interests. In This Episode: Ewan shares the personal and professional fall...

Chapter 15: Shiny Stuff | An EcoFarmers Discovery Audiobook Companion Podcast 16.01.2026

An EcoFarmer’s Discovery Chapter 15: What Is This Shiny Stuff? The EcoFarm Aotearoa Podcast Welcome to An EcoFarmer’s Discovery: The Companion Podcast , where every Friday we dive into one chapter of Ewan Campbell’s journey. Read or listen along by searching An EcoFarmer’s Discovery on Spotify, or find the book on Audible and Kindle. Each episode unpacks the stories and principles behind regenerat...

Chapter 14: The Beach | An EcoFarmers Discovery Audiobook Companion Podcast 09.01.2026

An EcoFarmer’s Discovery Chapter 14: The Beach The EcoFarm Aotearoa Podcast Welcome to An EcoFarmer’s Discovery: The Companion Podcast , where every Friday we dive into one chapter of Ewan Campbell’s journey. Read or listen along by searching An EcoFarmer’s Discovery on Spotify, or find the book on Audible and Kindle. Each episode unpacks the stories and principles behind regenerative farming, wit...

Chapter 13: Products | An EcoFarmers Discovery Audiobook Companion Podcast 02.01.2026

An EcoFarmer’s Discovery Chapter 13: Products The EcoFarm Aotearoa Podcast Welcome to An EcoFarmer’s Discovery: The Companion Podcast , where every Friday we dive into one chapter of Ewan Campbell’s journey. Read or listen along by searching An EcoFarmer’s Discovery on Spotify, or find the book on Kindle. Each episode unpacks the stories and principles behind regenerative farming, with 26 chapters...

Tissue Salts: Mineral Intelligence & Cell Function 30.12.2025

Tissue Salts: Mineral Intelligence & Cell Function The EcoFarm Aotearoa Podcast Modern farming often treats symptoms instead of causes. In this episode, Stephen and Ewan dig into the mineral foundations that sit beneath soil health, plant function, animal performance, and ultimately human health. Starting at the single cell, they explore how functional minerals, biology, and electrical process...

Chapter 12: The Meat Producer | An EcoFarmers Discovery Audiobook Companion Podcast 26.12.2025

An EcoFarmer’s Discovery Chapter 12: The Meat Producer Welcome to An EcoFarmer’s Discovery: The Companion Podcast, where every Friday we dive deep into one chapter of Ewan Campbell’s journey. You’re invited to read along. Get the audiobook via Spotify by searching An EcoFarmer’s Discovery, or grab it on Kindle, and explore each chapter with us as we unpack the stories, observations, and principles...

Inside EcoFarm Aotearoa: Soil, Water & Herbage Testing 24.12.2025

Inside EcoFarm Aotearoa: Soil, Water & Herbage Testing The EcoFarm Aotearoa Podcast Testing is often discussed in agriculture, but rarely done in a way that truly guides decision-making. In this episode, Stephen and Ewan walk through the practical process of soil, water, and herbage testing , showing how accurate sampling, consistent GPS points, and year-on-year comparisons reveal what is real...

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