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EcoFarm Aotearoa

EcoFarm Aotearoa

By: Ewan Campbell with co-host Stephen Brunton
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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.nzEwan Campbell with co-host Stephen Brunton Biological Sciences Science
Episodes
  • Farmers Are Focusing on the Wrong Thing
    Jun 10 2026

    In this episode, Stephen and Ewan explore one of the most overlooked yet important drivers of soil health: cyanobacteria.


    What starts as a discussion around regenerative farming, cover crops, and soil carbon quickly expands into a deep dive on soil biology, nutrient cycling, trace minerals, plant health, animal health, and the hidden processes that build productive farming systems from the ground up.


    Drawing on decades of on-farm observation and testing, Ewan explains why cyanobacteria may be the foundation of healthy soils, how they contribute to carbon sequestration, nutrient availability, and biological function, and why many current farming practices may be working against them.


    Through the EFA lens, this episode challenges conventional approaches to soil management and highlights the importance of understanding biological systems before reaching for costly inputs and interventions.


    We discuss:• Why cyanobacteria are the foundation of healthy soil ecosystems• The relationship between soil biology, carbon, and nutrient cycling• Cover crops, regenerative farming, and what's often being overlooked• How trace minerals influence plant, animal, and soil health• Building productive farming systems by fixing the soil first

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    56 mins
  • Who Really Controls New Zealand Farming?
    Jun 5 2026

    In this episode, Stephen and Ewan explore the changing landscape of New Zealand agriculture, from the traditions of Gypsy Week and share milking to the growing pressures facing modern farmers.


    The conversation dives into farm profitability, organic opportunities, soil health, environmental compliance, and the importance of producing high-quality food for premium markets. Ewan challenges conventional agricultural thinking and shares why healthier soils, stronger biological systems, and farmer-led innovation could be the key to building a more resilient future.


    Through the EFA lens, this episode examines how farmers can regain control of their businesses by focusing on productivity, profitability, and environmental outcomes that are measured through real-world results rather than assumptions.


    We discuss:
    • The history of Gypsy Week and how farming has changed over time
    • Why rising input costs are squeezing farm profitability
    • The opportunities emerging in organic and premium food markets
    • How soil health impacts productivity, profitability, and the environment
    • Taking control through testing, observation, and farmer-led decision making


    Purchase Our E-Book!https://www.ecofarmaotearoa.nz/product/6-crucial-links-for-boosting-soil-health-and-farm-profit/Listen To An EcoFarmer’s Discovery:https://open.spotify.com/show/3wIgUUghlsKIje76E5tjBA?si=b4aa009579a34ac1⁠

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    48 mins
  • Is Your Favourite Politician Voting to Destroy New Zealand’s GE Free Future?
    May 22 2026

    In this episode, Stephen and Ewan sit down with John Carapiet from GE Free New Zealand to unpack the growing debate around genetic engineering, GMO regulation, and the future of farming in New Zealand.

    What begins as a discussion around the government’s proposed Gene Technology Bill and the new Hazardous Substances and New Organisms Amendment Bill quickly expands into a much bigger conversation about food sovereignty, corporate influence, farmer responsibility, environmental contamination, and the long-term future of agriculture.

    Through the EFA lens, the conversation explores whether New Zealand risks losing one of its greatest advantages — its GE-free food reputation — in pursuit of patented technologies and synthetic solutions. The discussion dives into soil biology, export markets, consumer trust, liability, glyphosate, animal welfare, and the growing tension between industrial agriculture and regenerative farming systems.

    The episode challenges the idea that more technology automatically equals better outcomes and asks a deeper question: are we solving the root causes of agricultural problems, or creating new ones?

    We discuss:• The proposed Gene Technology and HASNO amendment bills• Why New Zealand’s GE-free status matters globally• The difference between GMO, GE, and gene editing• Liability risks for farmers and contamination concerns• How patents and corporate interests influence agriculture• The connection between soil health, food quality, and human health• Why consumers still demand non-GMO food• The future of regenerative farming in New Zealand


    Our FREE E-Book!https://www.ecofarmaotearoa.nz/download-our-ebook/Listen To An EcoFarmer’s Discovery:https://open.spotify.com/show/3wIgUUghlsKIje76E5tjBA?si=b4aa009579a34ac1⁠

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    1 hr and 28 mins
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