The 4 R’s of Fertiliser Use: Right Product, Rate, Time and Place
This lesson explains the 4 R’s of fertiliser use; right product, right rate, right time and right place — and how they underpin efficient, profitable nutrient management in New Zealand farming systems. Dr Ants Roberts, Science Mentor, outlines how matching nutrients to soil and plant needs, applying them at the correct rate, timing and placement, maximises pasture and crop production while reducing waste. A foundational guide to smarter fertiliser decisions based on NZ science.
Video details
Duration 2:03
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.