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

Table 2

Cropping system effects on cowpea nodules number (nodules/plant), nodules dry weight (mg/plant) at bloom stage, and cowpea and millet grain yield (kg/ha) in farmers’ fields in 2010.


Cropping systems	Cowpea nodules number by plant	Cowpea nodules dry weight (mg/plant)	Cowpea grain yield (kg/ha)	Millet grain yield (kg/ha)

Farmers’ control	No^*	No^*	No^*	465^a
Cowpea variety CZ11-94-5C sole crop	22^a	160	730^a	No^*
Cowpea variety IT89KD-374 sole crop	16^b	117	605^b	No^*
Millet/CZ11-94-5C alternate rows intercropping (1 row/1 row)	20^ab	140	390^c	335^b
Millet/IT89KD-374 alternate rows intercropping (1 row/1 row)	15^b	119	340^cd	350^b
Millet/CZ11-94-5C alternate rows intercropping (2 rows/1 row )	23^a	163	280^cd	485^a
Millet/IT89KD-374 alternate rows intercropping (2 rows/1 row)	17^b	139	245^d	495^a
Effect	value	value	value	value
Cropping system	<0.01	0.09	<0.01	<0.01
Coefficient of variation (%)	37.02	45.21	42.17	21.41

Means followed by the same letters in the same column are not significantly different (), according to Duncan test.
No^*: no millet.

International Journal of Agronomy

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

Table 2