Can pee help feed the world? | Malay Mail

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PARIS, May 3 — “Go pee on the rhubarb!” Engineer Fabien Esculier has never forgotten his grandmother’s unconventional approach to gardening — in fact, it has inspired his career. Human urine may seem like a crude way of fertilising plants in the era of industrial agriculture, but as...

PARIS, May 3 — “Go pee on the rhubarb!” Engineer Fabien Esculier has never forgotten his grandmother’s unconventional approach to gardening — in fact, it has inspired his career.

But when they are used in large quantities, they make their way into river systems and other waterways, causing choking blooms of algae that can kill fish and other aquatic life. One 2020 study by UN researchers found that global wastewater has the theoretical potential to offset 13 per cent of the world’s demand for nitrogen, phosphorus and potassium in agriculture.In the past, urban excrement was transported to agricultural fields to be used as fertiliser along with animal manure, before chemical alternatives began to displace them.

She said the early urine-diverting toilets were considered unsightly and impractical, or raised concerns about unpleasant odours. It is developing an eco-district in the French capital with shops and 600 housing units, which will use urine collection to fertilise green spaces in the city.

 

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