A start-up company is conducting a "pioneering" experiment turning human urine into plant fertiliser.
Manufactured fertilisers have been affected by fluctuating prices in recent years - caused by changing weather, transport disruptions, and theHazel McShane, from women's urinal firm Peequal, said: "This is really pioneering technology that will help farmers be sustainable." Bacteria will grow on the plastic pieces in a fermentation tank to produce ammonium nitrate to feed plantsNPK Recovery is also hoping to make use of waste urine from toilets at concerts, which is usually driven hundreds of miles to be processed.Massive Attack's concert on the Downs"Our fertiliser recaptures nutrients that would end up in waste water treatment otherwise, and the bacterial process is easy to scale up, said Olivia Wilson, research and development scientist at NPK Recovery.