Articles by Ahmad Usman Zafar (1)

Field Efficacy of CAMB Bacillus thuringiensis Biopesticide to Control Helicoverpa armigera (Hübner) and Earias vitella (Fabricius) in Okra Crop

Shahid Karim, Ahmad Usman Zafar, Idrees Ahmad Nasir and Sheikh Riazuddin

Pakistan Journal of Biological Sciences 3 ( 8 ): 1296 - 1298 , 2000

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