An interdisciplinary team led by University of Wisconsin–Madison scientists has developed a new technique that could help farmers extract useful nutrients such as ammonia and potassium from livestock manure to efficiently make fertilizer and other useful chemical products.
While the strategy still needs to be scaled up beyond a proof-of-concept stage, the group’s preliminary analyses show it could offer considerable benefits by cutting water and air pollution while simultaneously creating products that farmers could use or sell.
Manure stinks in part because it contains ammonia, one of…
