• publisher: [Washington, D.C.] : Agricultural Research Service, U.S. Dept. of Agriculture
  • creator: United States. Agricultural Research Service
  • contributor: United States. Agricultural Research Service.
  • Keyword: Fertilizers United States Statistics. Plant nutrients United States Statistics.
  • years: 1963.
  • pages: 26 p. :
  • notes: Cover title.
  • download: pdf file