Effects of Inoculation by Bradyrhizobium japonicum Strains on Nodulation, Nitrogen Fixation, and Yield of Soybean (Glycine max L. Merill) Varieties on Nitisols of Bako, Western Ethiopia

Table 2

Main effects of soybean varieties and B. japonicum strains on nodulation rating, number of nodules per plant, nodule volume per plant, and nodule dry weight.

Treatment	Nodulation rating	Number of nodules (no./plant)	Nodule volume (mL/plant)	Nodule dry weight (mg/plant)
	Variety
Jalele; Cheri; Ethio-Yugoslavia	2.38; 2.47; 2.73	4.36; 4.49; 3.31	0.29; 0.29; 0.24	68.89; 64.44; 50.89
	Strain
Uninoculated; TAL 378; TAL 379	0.00^b; 0.78^b; 6.80^a	0.00^b; 0.13^b; 12.02^a	0.00^b; 0.06^b; 0.77^a	0.00^b; 4.22^b; 180.00^a
	Significance
Variety	NS	NS	NS	NS
Strain	**	**	**	**
Variety × strain	NS	*	NS	*
CV (%)	22.19	12.66	6.62	25.18

NS, *, **: nonsignificant or significant at 𝑃<0.05 or 0.01, respectively. Means within a column followed by the same letter(s) are not significantly different.