Fertiliser industry grapples with decarbonising its entire supply chain without risking food supply

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Australia's fertiliser industry looks to new technologies and cleaner farming practices to cut its carbon footprint without risking the country's $90 billion agriculture sector.

Green ammonia, incentives to use nitrate inhibitors, and domestic fertiliser production are all being touted as possible solutions to the massive challenge of reducing emissions from fertilisers, which farmers say are essential to feeding a growing population.A white paper exploring options was recently handed to the federal government, with input from industry, which aims to promote a more efficient use of fertiliser rather than reduce the amount Australian farmers use.

Farmers are being told to start adapting now, with experts hopeful there will be incentives to help with the transition.He pointed to the use of nitrification inhibitors, which slow the conversion of ammonium to nitrate, as one possible solution. "It accounts for somewhere between 1.5 and 2 per cent of global man-made CO2 emissions so it's a big target in the global decarbonisation race."

He said there were opportunities for green ammonia to also be utilised for purposes other than fertiliser, including as a method to transport renewable energy out of Australia."About 80 per cent of the world's man-made ammonia goes to fertiliser and that's why it's a primary interest for the farming community," Dr Day said.

 

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