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

<table>Rainfall in 10- or 11-day periods at Cinzana Agronomic Research Station (1972–2001), 2007, 2008, and 2009.</table>

International Journal of Agronomy

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Figure 1

Figure 1: Effects of Cropping System and Cowpea Variety on Symbiotic Potential and Yields of Cowpea (<i>Vigna unguiculata</i> L. Walp) and Pearl Millet (<i>Pennisetum glaucum</i> L.) in the Sudano-Sahelian Zone of Mali 

Figure 1 | 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 