Interactions of fertilizer, cultivar selection, and infestation by cowpea aphid (Aphididae) on growth and yield of cowpeas

Author: Annan I. Billy   Ampong-Nyarko K.   Tingey Ward M.   Schaefers George A.  

Publisher: Taylor & Francis Ltd

ISSN: 1366-5863

Source: International Journal of Pest Management, Vol.43, Iss.4, 1997-10, pp. : 307-312

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