• Barley Variety Test

      Cluff, Ron; Dennis, Robert E.; Parsons, David K. (College of Agriculture, University of Arizona (Tucson, AZ), 1978-09)
    • Sorghum Variety Tests

      Cluff, Ron; Parsons, David K.; Dennis, Robert E.; Isaacson, Leonard (College of Agriculture, University of Arizona (Tucson, AZ), 1978-09)
    • Wheat Fertility Test

      Cluff, Ron; Amburgey, Lyman R.; Dickinson, W. A.; Lydic, Lowell; Parsons, David K.; Dennis, Robert E. (College of Agriculture, University of Arizona (Tucson, AZ), 1978-09)
    • Wheat Variety Tests

      Howell, Donald R.; Parsons, David K.; Dennis, Robert E.; Farr, Charles R.; Cluff, Ron (College of Agriculture, University of Arizona (Tucson, AZ), 1978-09)