Journal Article Report on Ammoniacal Urea and Nitrogen Salts Get access W B Griem W B Griem Associate Referee State Department of Agriculture, Madison Wis Search for other works by this author on: Oxford Academic Google Scholar Journal of Association of Official Agricultural Chemists, Volume 27, Issue 4, 1 November 1944, Pages 494–495, https://doi.org/10.1093/jaoac/27.4.494a Published: 14 February 2020