A new technical report details the findings of trials with the soil amendment Iron Man Gypsum (IMG) on a dairy farm in the Vasse Catchment.
“The trials found that the leaching of phosphorus from treated paddocks could be reduced by more than 90 per cent, keeping it available for plant growth and stopping the nutrient being lost to waterways,” said soil scientist Dr Brad Degens, from the Department of Water and Environment Regulation.
“We investigated IMG application rates and methods in the trial, so this work can inform future applications of the soil amendment to reduce nutrient loads in pasture systems.”
This project is part of Healthy Estuaries WA and Revitalising Geographe Waterways. These State Government initiatives aim to support the long-term health of our south-west estuaries.
Read the report here: https://www.wa.gov.au/government/publications/wst87-iron-man-gypsum-treatment