Struvite (IMAGE) American Society of Agronomy Caption Struvite is a substance made by refining wastewater and recapturing the phosphorus. It can be used as a fertilizer, and recycles this important nutrient. Credit Joanne Thiessen Martens Usage Restrictions Use with story only 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.