Why Farmers Use Lime: How Lime Raises Soil pH and What Quality Matters
This lesson with Dr Will Talbot, Scientific Officer, explains how lime raises soil pH, how much pH shift you can expect per tonne, and why lime quality including particle size and calcium carbonate percentage, determines how quickly and effectively it works. A clear guide to selecting the right lime to reach the optimal pH range of 5.8–6.0 and support stronger, more productive pastures.
Video details
Duration 1:06
Presented by
Dr Will Talbot
Scientific Officer, Ravensdown
Dr Will Talbot is a Scientific Officer at Ravensdown specialising in nitrogen and nutrient loss reduction. He studied Agricultural Science at Lincoln University, graduating with first class honours, before completing a PhD, with Deans list honours, in soil science focused on the nitrogen cycle. Dr Talbot has published multiple peer-reviewed papers that help inform smarter nutrient management across New Zealand farming systems.