Electrochemically produce ammonia (IMAGE) Tokyo University of Science Caption Manuring with man urine: researchers from Japan electrochemically create ammonia from urine to grow plants in space Credit Freepik Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.