• publisher: Washington, D.C. : G.P.O.
  • creator: Hatch, K. L. (Kirk Lester), 1871- United States. Office of Experiment Stations
  • contributor: United States. Office of Experiment Stations.
  • Keyword: Agricultural chemistry.
  • years: 1908.
  • pages: 22 p. :
  • notes: "Issued January 17, 1908."
  • download: pdf file