How Deep Should a Soil Test Be? Pastures vs Crops Explained
This lesson explains why soil test depth matters and how sampling depth affects fertility recommendations. Dr Ants Roberts, Science Mentor, outlines why permanent pastures are tested at 7.5cm, how root distribution and test calibration influence results, and why cropping systems are typically sampled to 15cm. A clear guide to getting soil testing right for reliable pasture and crop performance insights.
Video details
Duration 1:31
Presented by
Dr Ants Roberts
Science Mentor
Dr Ants Roberts is a Science Mentor at Ravensdown and a recognised authority on soil fertility management with more than four decades of experience. He leads agronomic research and development, works directly with farming shareholders, and trains Agri Managers and staff in soils, fertilisers and pastoral agriculture.