13 May 2022
University of Michigan researchers are putting the "pee" in peony. It's all part of an effort to educate the public about their research showing that applying fertilizer derived from nutrient-rich urine could have environmental and economic benefits.
Urine contains essential nutrients such as nitrogen, potassium and phosphorus and has been used as a crop fertilizer for thousands of years. One of the researcher said collecting human urine and using it to create renewable fertilizers will lead to greater environmental sustainability.
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