Fertiliser prices and shortages are hamstringing our farmers. But we have other options

By Katharina Belt, Postdoctoral Researcher, Agricultural Science, The University of Western Australia

When was the last time you bought a loaf of bread?

Chances are you read the ingredients list and saw flour, yeast and salt. But behind every slice is a surprisingly fragile global supply chain that starts with another often overlooked ingredient: nitrogen fertiliser.

Without nitrogen fertiliser, the world’s farmers would struggle to produce enough food for our ever-growing population. It helps grow the wheat used…

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