J. Fred Hockey

Identifiers

  • Open LibraryOL2133703A

Top Subjects

  • Fongicides (1)
  • Spraying (1)
  • Bouillie bordelaise (1)
  • Bordeaux mixture (1)
  • Apples (1)
  • Diseases and pests (1)
  • Apple scab (1)

Books by J. Fred Hockey

Total count: 4