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

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 sits down with Gordon to talk through what happened next: set…

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

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 have shown statistically significant results, with BioN match…

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

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 episode of Where Inches Matter, Dion talks about reducing fe…

Ep 6 - Proof in the paddock with Stu Russell

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, Stu shares what he saw when he stepped back from routine ure…

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

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 a farm near Geraldine that once struggled with highly compa…

Ep 4 - Unlocking your soil structure means more milk in the vat!

In this episode of Where Inches Matter, host Allan Piercy takes us deep into the hidden mechanics of soil health and why compacted soil could be holding your pasture back from their true potential!  When soil is too tight, plant roots struggle to grow, bacteria can’t thrive, and critical nutrients…

Ep 3 - How to truly read a soil test to be effective with your fertiliser

Not all soil tests are created equal and the advice you are being given maybe connected to someone also wanting to sell you fertiliser. In this episode of Where Inches Matter, host Alan Piercy from Agraforum breaks down the science behind soil testing and why it’s crucial to look into it deeper fo…

Ep 2 - Compacted soils are chocking your potential

Healthy soil isn’t just dirt—it’s a living, breathing system that relies on air pockets, bacteria, and delicate chemical balances to function properly. In this episode of Where Inches Matter, Allan Piercy breaks down the unseen physics behind soil structure in simple terms, explaining why good soil…

Ep 1 - How a vet found dark green grass patches where leading to issues in cow health

Welcome to the debut episode of Where Inches Matter, a podcast by Agraforum, hosted by Allan Piercy.  In this episode, Allan shares his journey from veterinary practice to soil science, revealing how his years as a rural vet led him to question unexplained lameness , milk fever and liver abscesses…