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The effect of plant spacings on cowpea, Vigna unguiculata Walps, insect pests and yields in two sites in Nigeria
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- Journal:
- Insect Science and Its Application / Volume 12 / Issue 5-6 / December 1991
- Published online by Cambridge University Press:
- 19 September 2011, pp. 707-711
- Print publication:
- December 1991
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- Article
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