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Where Inches Matter by Agraforum

by Agraforum NZ
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Latest episodes

  • Ep 9 - BioN vs urea. What did the trials show?

    October 20, 2026 · 16 min

    When Agraforum first started using BioN, the early paddock results looked promising. But as Dr Gordon Rajendram told Allan Piercy at the time, looking promising and proving something are two very different things. In this episode, Allan…

  • Ep 8 - Replacing Urea with Biology? The Science Behind BioN

    March 24, 2026 · 41 min

    In this episode of Where Inches Matter, Allan Piercy interviews Gerhard Vermaak of Custom Chemistry, developer of BioN - a patented biological nitrogen fixation technology. Over the past three years, replicated New Zealand pasture trials…

  • Ep7 - Dairy Farmer Cuts Fertiliser Use Without Losing Growth | Dion Gordon’s Story

    March 24, 2026 · 8 min

    Dion Gordon manages three dairy farms in Canterbury, milking 3,500 cows across a range of soil types. What began with closer soil testing and questioning fertiliser use led to changes in how nitrogen is supplied across the farm. In this…

  • Ep 6 - Proof in the paddock with Stu Russell

    December 18, 2025 · 20 min

    In this episode of Where Inches Matter, we sit down with coastal dairy farmer Stu Russell to talk soil compaction, nitrogen decisions, and what actually changed on farm after trialling Bio-N. From half-paddock trials to replicated data…

  • FARMER SPECIAL: Andrew Grant - From Compacted Soils to Thriving Pastures

    March 10, 2025 · 4 min

    In this episode of Where Inches Matter, Allan takes you straight to the paddock for a hands-on discussion about soil health, pasture growth, and the direct impact on farm profitability with South Canterbury farmer, Andrew Grant . We visit…

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About the show

Soil health is the foundation of productive & profitable farming, but why aren't we focused on fixing soil structure and nutrients to improv animal health? The answers lies just a few inches beneath the surface Where Inches Matter. Hosted by Allan Piercy—dairy veterinarian-turned-soil nutrient advisor—dives deep into the unseen factors of poor cow performance that are hindering New Zealand dairy farms success. Drawing on decades of experience in his own rural veterinary practice and hands-on work with farmer's cow health issues. Allan explores the critical connection between soil compaction, nutrient imbalances, and livestock health. From the unintended consequences of urea use to global insights on soil restoration, this series uncovers practical solutions that can transform pastures, improve crop yields, and enhance animal wellbeing. Join Allan as he shares his real-world experiences, farmer interviews, and innovative strategies to help farmers build healthier soils and more sustainable operations. Because in farming, small changes beneath the surface can lead to big results above it. For more information about Agraforum, visit https://agraforum.co.nz/