![ones-trash-anothers-treasure-fertilizer-made-from-urine-could-enable-space-agriculture](https://utterbuzz.com/wp-content/uploads/2022/12/ones-trash-anothers-treasure-fertilizer-made-from-urine-could-enable-space-agriculture-640x379.jpg)
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.