Journal Article Report on Ammoniacal and Urea Nitrogen (Feeds) Get access W B Griem, W B Griem State Department of Agriculture, Madison, Wis Search for other works by this author on: Oxford Academic Google Scholar L S Walker L S Walker Referee Agricultural Experiment Station, Burlington, Vt Search for other works by this author on: Oxford Academic Google Scholar Journal of Association of Official Agricultural Chemists, Volume 24, Issue 4, 1 November 1941, Pages 867–871, https://doi.org/10.1093/jaoac/24.4.867 Published: 19 February 2020