Proceedings of the 5th bienniel noxious plants conference : "Noxious plant control - responsibility, safety and benefits", volume I, Northern Rivers College of Advanced education, Lismore, 17th - 21st July, 1989 /

Antzeko izenburuak

• Proceedings of the 5th Biennial noxious plants conference "Noxious plant control - responsibility, safety and benefits" [held at the] Northern Rivers College of Advanced Education, Lismore, 17th-21st July, 1989,
  Argitaratua: (1989)
• Proceedings of the fourth biennial noxious plants conference, Hawkesbury Agricultural College, Richmond, N.S.W., 29th-3rd July, 1987 /
  Argitaratua: (1987)
• Proceedings of the 1980 British Crop Protection Conference - Weeds (15th British Weed Control Conference), 17th to 20th November 1980,... /
  Argitaratua: (1980)
• Noxious plants chemical control handbook /
  nork: Milvain, H. J.
  Argitaratua: (1988)
• Weed control in lucerne and pastures 1989 /
  nork: Dellow, Jim
  Argitaratua: (1989)