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… alternative pesticides; (b) explosives/fire-bombs; (c) a variety of mass trapping methods, sometimes keeping the birds … resistant crops Bullard & Gebrekidan (1989) described how plant breeders can produce crop cultivars that have … However, unless the majority of farmers in an area plant resistant varieties the birds will simply move away …

… the market for a number of reasons. However, there is a variety of optional chemical systems available on the market … transportation, electrical engineering and electronics, a variety of flame retardant systems have been developed over … applications (EHC, 192-1997). More recently, a variety of non-chemical techniques for flame retardation have …