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Report - Alternatives to fenthion for quelea bird control
… Additionally, persistence of fenthion residues in the air for 64 hours and for 46 days in soil was reported by van … earlier by a small detonation to scare the birds into the air and, in reed beds, the firebombs are raised on poles. In … added to bait grain or water Immobilises birds. Minimal pollution. Risk to non-target birds. Requires birds to be …