• Creator
  • Barger, W. R; Pentzer, W. T. (Wilbur Tibbils), 1901-; United States. Bureau of Plant Industry, Soils, and Agricultural Engineering
  • Publisher
  • Fresno, Calif. :U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Plant Industry, Soils, and Agricultural Engineering,1948
  • Description
  • No.197.