Biological methods in crop pest control an introductory study

অনুরূপ উপাদানগুলি

• Biological pest control for field crops : summaries of Papers presented at the International seminar on biological control of pests for field crops /
  প্রকাশিত: (1987)
• Biological control of pests and weeds
  অনুযায়ী: Samways, Michael J.
  প্রকাশিত: (1981)
• Biology in pest and disease control the 13th Symposium of the British Ecological Society, Oxford, 4-7 January 1972
  প্রকাশিত: (1974)
• Biorational pest control agents : formulation and delivery /
  প্রকাশিত: (1995)
• Studies in biological control
  প্রকাশিত: (1976)