From the perspective of future societies, in extremely closed environments such as a space station, self-sufficiency in food cultivation and waste management is critical. However, the technology to achieve this is still lacking. In a new study, scientists shed light on a cheap and efficient method to make liquid fertilizer (ammonia) from simplified artificial urine, serving an ideal dual purpose of growing food and treating waste.
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Climate Change One’s trash, another’s treasure: Fertilizer made from urine could enable space agriculture