He came for the sustainability and stayed for the results

Mark and Josephine’s poppy crop

A stubbornly high Somatic Cell Count, 17% empty rates, saving money on conventional fertiliser, and a rising awareness of the global “nitrogen addiction” were the original triggers which made Tasmanian dairy producer Mark Wadley consider biological farming.

Practise is often ahead of science

Tasmania’s Isaac Korpershoek

When Isaac and Angelique Korpershoek first discussed switching to biological farming a decade ago, Isaac was “curious” and Angelique – a veterinarian – wanted the evidence-based science.
At the time they were struggling to get their protein percentage above 3% during early lactation and Isaac said, “We were just at that point where you can only adjust so much in your grain ration, and I was starting to think that we couldn’t continue putting nitrogen on at 400kg/ha a year.”