The Hidden Gold in Your Soil (And How to Unlock It) episode artwork

EPISODE · Apr 23, 2026 · 35 MIN

The Hidden Gold in Your Soil (And How to Unlock It)

from EcoFarm Aotearoa · host Ewan Campbell with co-host Stephen Brunton

In this episode, Stephen and Ewan unpack the hidden potential within our soils and challenge the conventional approach to fertility, pH, and input-heavy farming. What begins as a discussion on soil chemistry reveals a deeper issue: farmers are often managing only what’s immediately available, rather than unlocking the vast reserves already present in the soil.Through the EFA lens, the conversation shifts toward soil as a living, self-regulating system. By activating biology, increasing carbon, and removing limiting factors, farmers can convert locked-up minerals into plant-available nutrients, naturally balance soil function, and reduce reliance on expensive synthetic inputs, leading to more profitable and resilient farming systems.We discuss:• Why pH alone doesn’t tell the full story• The gap between available nutrients and total soil potential• How biology unlocks minerals like calcium• The role of carbon and organic matter in soil function• Reducing input costs by working with natural processes🎧 Music Credit:Music: Exciting Trailer by Kevin MacLeodSource: https://incompetech.com/music/royalty-free/music.html

In this episode, Stephen and Ewan unpack the hidden potential within our soils and challenge the conventional approach to fertility, pH, and input-heavy farming. What begins as a discussion on soil chemistry reveals a deeper issue: farmers are often managing only what’s immediately available, rather than unlocking the vast reserves already present in the soil.Through the EFA lens, the conversation shifts toward soil as a living, self-regulating system. By activating biology, increasing carbon, and removing limiting factors, farmers can convert locked-up minerals into plant-available nutrients, naturally balance soil function, and reduce reliance on expensive synthetic inputs, leading to more profitable and resilient farming systems.We discuss:• Why pH alone doesn’t tell the full story• The gap between available nutrients and total soil potential• How biology unlocks minerals like calcium• The role of carbon and organic matter in soil function• Reducing input costs by working with natural processes🎧 Music Credit:Music: Exciting Trailer by Kevin MacLeodSource: https://incompetech.com/music/royalty-free/music.html

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This episode is 35 minutes long.

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This episode was published on April 23, 2026.

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In this episode, Stephen and Ewan unpack the hidden potential within our soils and challenge the conventional approach to fertility, pH, and input-heavy farming. What begins as a discussion on soil chemistry reveals a deeper issue: farmers are often...

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