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Report - Alternatives to fenthion for quelea bird control
… roosts and colonies are less than 5 and 10 hectares in area, respectively. Nevertheless with both traps and mist … firebomb location damaging the soil. More than 1% of the area encompassed by the explosion was damaged in this way. … as dhurrin. However, unless the majority of farmers in an area plant resistant varieties the birds will simply move …