Partial application of insecticide to cowpea (Vigna unguiculata Walpers) as a means of controlling cowpea aphid (Aphis craccivora Koch) and the cowpea foliage beetle (Ootheca mutabilis Sahlberg)
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University of East Anglia
2000
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327417 |