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Use of Soil Ammendments on Sands over Perth water supply
20 Feb 2012

This project in partnership with the Water Corporation involved the use of lime amended Bioclay to prevent nutrients leaching through to Perth’s underground  water supply.

Biosolids from a sewerage works are treatedwith lime to destroy pathogens and mixed with local clay. Rates of 50-100 tonnes per ha are spread and incorporated into the soil. My job was to liaise with farmers to use perennial pastures, forestry and native plants.

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