_51 Written by Dan Cropper on December 1, 2020. Leytem A, Kleinmann P, Dell C, Pote D. Subsurface Injection of Manure to Reduce Ammonia Losses and Odor. https://www.ars.usda.gov/ARSUserFiles/np212/LivestockGRACEnet/ManureInjection.pdf (accessed Oct 23, 2020). Previous Next