Table 7. Coefficient of Variation (CV %) for maize, common bean grain yield and TLOY in maize-common bean intercropping in north western Ethiopia^a.

Intercropping treatments		Maize		Common bean		TLOY
PDCB	SA	MGY (t ha-1)	CV %	MGY (t ha-1)	CV %	MGY (t ha-1)	CV %
Simultaneously	Alternate	6.21	7.97	1.01	2.11	6.21	102.02
At emergence		7.26	8.18	0.58	7.31	7.26	120.50
At knee height		7.67	18.44	0.18	133.56	7.67	134.94
Simultaneously	Paired	6.69	4.97	1.17	38.68	6.69	99.29
At emergence		7.74	30.70	0.70	5.09	7.74	118.12
At knee height		7.77	25.59	0.18	133.34	7.77	135.19
Sole maize		4.44	2.33	-	-	4.44	2.33
Sole common bean		-	-	0.87	2.25	0.87	2.25

^aData on maize and common bean and TLOY (MGY and CV) were combined over sites and years.

PDCB, Planting date of common bean with maize in a mixture; SA, spatial arrangements of the component crops; MG, mean grain yield; CV, coefficient of variation; TLOY, total land output yield.