Incompatible neighbours : proceedings /

Eitemau Tebyg

• Biological control in agricultral IPM system /
  gan: Hoy, Marjoriee A., et al.
  Cyhoeddwyd: (1985)
• Biological control in agricultural IPM systems /
  gan: Hoy, Marjoriee A., et al.
  Cyhoeddwyd: (1985)
• Techniques for reducing pesticide use : economic and environmental benefits /
  gan: Pimentel, David
• Insects in Malaysian agricultural /
  gan: 343827 Ooi, Peter A. C.
  Cyhoeddwyd: (1988)
• Expert consultations on project 9 : proceedings...
  gan: Expert Consultations on Project 9: Ecological Assessment of Pest Management and Fertilizer Use on Terrestrial and Aquati (1974 Rome), et al.
  Cyhoeddwyd: (1975)