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Open Access Publications from the University of California

Granivorous birds in sunflower crops

  • Author(s): Meylan, Andre
  • et al.
Abstract

Bird communities visiting and causing damage to sunflower crops were studied in western Switzerland. The greenfinch is the main pest species. A population study of that species was carried out in Changins, near Nyon, and crop protection techniques, including an ultrasonic device, were tested.

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