International Journal of Agronomy / 2012 / Article / Fig 4

Research Article

Effects of Cropping System and Cowpea Variety on Symbiotic Potential and Yields of Cowpea (Vigna unguiculata L. Walp) and Pearl Millet (Pennisetum glaucum L.) in the Sudano-Sahelian Zone of Mali

Figure 4

Crops yields: (a) cowpea grain as affected by cropping system × cowpea variety interactions effects ( ), 2007 and 2008; (b) subsequent millet grain and above-gorund biomass dry yields as affected by year × cropping system × cowpea variety three-way interaction effects at Cinzana Agronomic Research Station, 2008 and 2009. Y1: year 1 (2008), Y2: year 2 (2009), S1: alternate rows intercropping (1 row millet/1 row cowpea), S2: interhills intercropping (2 hills millet/1 hill cowpea), S3: cowpea sole crop, cowpea varieties: IT89KD-374, CZ1-94-23-1, and CZ11-94-5C.

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