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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

00:46:19

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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00:55:40

The Missing Step in Regenerative Farming

EcoFarm Aotearoa ·

2026/02/11

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 methodology, explaining why accuracy, system thinking, and education matter more than quick fixes. From

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00:33:18

Chapter 18: Fungi The Fun Guys | An EcoFarmers...

EcoFarm Aotearoa ·

2026/02/06

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 cycling.Ewan and Steve unpack the early observations that sparked the chapter — ragwort pulling out

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01:22:27

Title: The EFA Comments Section Exploded - Ewan...

EcoFarm Aotearoa ·

2026/02/04

Title: The EFA Comments Section Exploded - Ewan Answers everythingThe EcoFarm Aotearoa PodcastIn 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 delivers healthier soils, resilient pasture, and better financial outcomes.From cyanobacteria and mineral

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00:36:33

Chapter 17: What On Earth | An EcoFarmers Discovery...

EcoFarm Aotearoa ·

2026/01/30

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 investigation unfold as she worked through the court documents and kept texting variations of: “You’ve got

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00:54:09

Chapter 16: The Problem of Success | An EcoFarmers...

EcoFarm Aotearoa ·

2026/01/23

An EcoFarmer’s Discovery Chapter 16: The Problem of SuccessThe EcoFarm Aotearoa PodcastThis 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 fallout of challenging the fertiliser industry and regulatory system, including court cases, media manipulation,

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00:41:39

Chapter 15: Shiny Stuff | An EcoFarmers Discovery...

EcoFarm Aotearoa ·

2026/01/16

An EcoFarmer’s Discovery Chapter 15: What Is This Shiny Stuff?The EcoFarm Aotearoa PodcastWelcome 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, with 26 chapters released across 26 weeks.This episode covers Chapter 15 and explores the

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00:33:32

Chapter 14: The Beach | An EcoFarmers Discovery...

EcoFarm Aotearoa ·

2026/01/09

An EcoFarmer’s Discovery Chapter 14: The BeachThe EcoFarm Aotearoa PodcastWelcome 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, with 26 chapters released across 26 weeks.In This EpisodeThis episode covers Chapter 14 and explores the role

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00:25:53

Chapter 13: Products | An EcoFarmers Discovery...

EcoFarm Aotearoa ·

2026/01/02

An EcoFarmer’s Discovery Chapter 13: ProductsThe EcoFarm Aotearoa PodcastWelcome 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 released across 26 weeks.In This EpisodeThis episode covers Chapter 13, Products, and how soil decisions

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00:58:51

Tissue Salts: Mineral Intelligence & Cell Function

EcoFarm Aotearoa ·

2025/12/30

Tissue Salts: Mineral Intelligence & Cell FunctionThe EcoFarm Aotearoa PodcastModern 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 processes work together to create resilient systems that actually pay off financially for farmers.The

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00:48:44

Chapter 12: The Meat Producer | An EcoFarmers...

EcoFarm Aotearoa ·

2025/12/26

An EcoFarmer’s Discovery Chapter 12: The Meat ProducerWelcome 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 behind regenerative farming. A new episode drops every Friday, covering 26 chapters across 26 weeks.In

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00:54:41

Inside EcoFarm Aotearoa: Soil, Water & Herbage Testing

EcoFarm Aotearoa ·

2025/12/24

Inside EcoFarm Aotearoa: Soil, Water & Herbage TestingThe EcoFarm Aotearoa PodcastTesting 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 really happening on a farm.From collecting soil cores and tracking carbon through the soil profile, to

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00:32:48

Chapter 11: Rock Hounds | An EcoFarmers Discovery...

EcoFarm Aotearoa ·

2025/12/18

An EcoFarmers Discovery Chapter 11: Rock HoundsWelcome 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 (search An EcoFarmer's Discovery) or grab it on Kindle – and explore each chapter with us as we unpack the stories, ideas, and principles of regenerative farming. A new episode drops each Friday, covering 26 chapters across 26 weeks.In This

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01:15:51

Inside EcoFarm Aotearoa: Late Spring Open Day

EcoFarm Aotearoa ·

2025/12/16

Inside EcoFarm Aotearoa: Late Spring Open DayThe EcoFarm Aotearoa Podcast (Ep. 11)Many farmers are feeling the pressure of rising fertiliser costs, tightening margins, and systems that no longer seem to deliver what they promise. In this Late Spring Open Day, Stephen and Ewan are joined by farmers, orchardists, and lifestyle block owners who are actively questioning the status quo and exploring what happens when you stop following the rulebook and start listening to the land.Across paddocks, fences,

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00:36:41

Chapter 10: Science | An EcoFarmers Discovery...

EcoFarm Aotearoa ·

2025/12/11

An EcoFarmers Discovery Chapter 10: ScienceWelcome 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 (search An EcoFarmer's Discovery) or grab it on Kindle – and explore each chapter with us as we unpack the stories, ideas, and principles of regenerative farming. A new episode drops each Friday, covering 26 chapters across 26 weeks.In This

en

00:33:50

Cyanobacteria: The Hidden Engine Driving Your Soil

EcoFarm Aotearoa ·

2025/12/09

Cyanobacteria: The Hidden Engine Driving Your Soil The EcoFarm Aotearoa Podcast (Ep. 10)Most farmers know about clover, fungi, and fertiliser… but very few understand the microscopic lifeform that actually built the planet and is still driving soil fertility today. In this episode, Stephen and Ewan uncover the extraordinary role of cyanobacteria, the organisms that oxygenated Earth, created the first soils, and remain the biggest untapped force in New Zealand farming.Building on last week’s

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00:38:38

Chapter 9 Electrifying | An EcoFarmers Discovery Book...

EcoFarm Aotearoa ·

2025/12/04

An EcoFarmer’s Discovery Chapter 9: ElectrifyingWelcome 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 (search An EcoFarmer's Discovery) or grab it on Kindle – and explore each chapter with us as we unpack the stories, ideas, and principles of regenerative farming. A new episode drops each Friday, covering 26 chapters across 26 weeks.In This

en

35 results

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