The research finds that sewage and manure in the US could theoretically supply 102 per cent of national nitrogen demand and 50 per cent of phosphorus requirements for agriculture, representing a potential value exceeding $5.7 billion annually.

America’s hidden $5.7 billion goldmine! US sewage and manure may be key to ending reliance on synthetic fertilisers

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America’s hidden $5.7 billion goldmine! US sewage and manure may be key to ending reliance on synthetic fertilisers